public health

Flu vaccine. A strong dose is recommended for adults. Illustration: depositphotos.com

Study: High-dose flu vaccine linked to nearly 55% reduction in Alzheimer's risk

An analysis of data from nearly 200 people aged 65 and over found that a high dose of flu vaccine was associated with a lower risk of Alzheimer's, especially in women. * The researchers emphasize that
The increasing heat stress due to the climate crisis is particularly affecting older people. Illustration: depositphotos.com

Global study: Extreme heat is already limiting the ability to live, work, and move safely

A global analysis of temperature and humidity from 1950 to 2024 shows that the number of hours during which heat and humidity limit safe daily activity has increased sharply, especially for those aged 65 and over and in hot, vulnerable areas.
How long it will take for each type of plastic waste to decompose in the ocean. Illustration: depositphotos.com

Endless plastic: Are we polluting the planet forever?

A study from Norway warns that marine plastic waste is releasing long-lasting chemicals and heavy metals into freshwater bodies, while cleanup efforts are failing to keep up with the rate of pollution buildup.
Ultra-processed food. Illustration: depositphotos.com

Like cigarettes, only on a plate: Why ultra-processed food is a national health challenge

Dr. Tair Ben-Porat and Prof. Shira Zalbar-Sagi from the University of Haifa explain why the US debate on restricting the purchase of sugary drinks with food stamps reinforces a shift from personal to state responsibility—and what Israel can learn
Heat wave in the city. Illustration: depositphotos.com

Extreme heat doesn't affect everyone the same—and it could deepen inequality in cities

Exposure to extreme heat is associated with real health risks — heat stroke, worsening of cardiovascular disease, and harm to at-risk populations such as the elderly, children, and outdoor workers.
Map of surface temperature in Europe. Source: ESA. From Wikimedia

Same weather, a warmer world – and Europe could pay in human lives

A new study seeks to highlight a point that worries public health experts: Not only is “average temperature” rising due to the climate crisis, but extreme weather patterns that have already occurred in the past may also return – and when they do
Legionella bacteria. Illustration: depositphotos.com

Legionnaires' disease: How does the climate crisis and warming cities increase the risk of Legionella infections?

Heat waves, high humidity and increasing reliance on cooling towers and air conditioning create a breeding ground for Legionella bacteria, leading to recurrent outbreaks of Legionnaires' disease in New York, Ontario and other areas – a serious health threat
Brain erasure. Illustration: depositphotos.com

A "brain fog" epidemic? Study finds: Memory problems have nearly doubled among adults under the age of forty

Analysis of more than 4.5 million US survey responses reveals an increase from 5.3% to 7.4% in reporting cognitive disability, with a notable spike among 18–39 year olds and a significant impact of income and education
Plants growing under extreme desert conditions are able to absorb high levels of strontium. Desert plants in Namibia. Illustration: depositphotos.com

The radioactive secret of desert plants: How they help clean contaminated soils

Israeli research reveals that wild plants growing under extreme desert conditions absorb high levels of strontium – offering a natural solution for dealing with nuclear disasters and radioactive fallout
Plastic is everywhere and there is no central supervision. Illustration: depositphotos.com

International study: Plastic contains more than 16 chemicals, thousands of which are hazardous to health and the environment

International study reveals: Plastic contains more than 16 different chemicals, including thousands of substances that may be harmful to health and the environment. There is something to be done
The Traffic Ecology Laboratory team collects samples from dead nests in Lake Hula during the outbreak, December 27, 2021. (Credit: Hadas Kahner, Israel Nature and Parks Authority)

Wildlife as gatekeepers: Real-time traffic monitoring could help prevent the next pandemic

Hebrew University-led research offers a new framework for monitoring zoonotic diseases through biologging – and highlights the importance of global collaboration
CDC regional headquarters in Atlanta, Georgia. Illustration: depositphotos.com

The CDC is in crisis: Private initiatives are trying to replace the public health agency

After executive layoffs, sharp cuts and political influence from Robert F. Kennedy Jr. – researchers and doctors try to preserve vaccination guidelines, pregnancy data, dental safety and violence prevention programs
A firefighter in action. Illustration: depositphotos.com

Pollution on Fire: The Dangers Behind the Fires

Fuel, waste and forest fires cause serious health, environmental and economic damage – from PFAS exposure to heart disease and cancer. Experts warn: We must reduce the use of toxic substances and switch to clean solutions
Air sampler during a dust storm

The survival mechanisms of dust storm bacteria

How do living bacteria survive inside dust particles carried by desert storms from the Sahara Desert and Egypt to Israel?
Algae bloom in the Sea of Galilee, August 4, 2025. Photo: Water Authority

Anticipating a wave: A forecasting system for the Sea of Galilee warns of waves, currents and algae blooms

A 3D model combined with meteorological forecasts provides warnings 5–XNUMX days in advance, helping to rescue vacationers and protect public health — amid the worsening climate crisis
A variety of pathogenic Vibrio species, including Vibrio vulnificus (blue), Vibrio cholerae (red), Vibrio fluvialis (purple), Vibrio alginolyticus (yellow), and Vibrio parahaemolyticus (green).

Climate crisis fuels outbreaks of Vibrio bacteria – including cholera and other serious infections

Analysis of six decades of data shows that cholera bacteria and other strains are spreading rapidly due to warming ocean waters and poor sanitation – and the danger is expected to increase
US Health Secretary Robert Kennedy Jr. wants to disband the committee responsible for science-based preventive medicine and replace it with politicians. Illustration: depositphotos.com

Double whammy: NIH budget cuts and elimination of preventive medicine threaten public health in the US and around the world

New study warns that the sharp cuts to the NIH and Kennedy's desire to dismantle the body of recommendations for preventive medicine could lead to an increase in morbidity, distrust in the medical establishment, and dependence on expensive and inaccessible medicine
PFAS chemicals ("persistent chemicals") have been found to be contaminants in the Cape Fear River, which supplies water to two million residents in North Carolina. Illustration: depositphotos.com

The Environmental Protection Agency's retreat from science endangers public health and the planet

The Trump administration has begun dismantling the EPA's research arm – a move that threatens decades of progress in preventing pollution and protecting public health around the world.
The elongated legionnaire (Abu Napha) is the most poisonous and dangerous species in the Mediterranean Sea. Photo: Oren Klein

Dizziness, paralysis and the risk of death: the health dangers of puffer fish

Dozens of poisonings have been documented in Mediterranean countries, including Israel. A new international study reveals the extent of the danger and how to protect yourself from the invasive species.
The destruction of medical and scientific research in the Trump-Musk administration. Illustration: Avi Blizovsky via DAKEE

Musk's cuts threaten US science, education, and healthcare infrastructure and will harm generations

Cuts in direct and indirect research budgets at NIH, NOAA, FEMA, and many other agencies will lead to a decline in research infrastructure, stunted scientific innovation, and loss of talent, which could critically impact the development of treatments and public health.
Viruses attack bacteria. Illustration: depositphotos.com

Protection against viruses - the passive version

Researchers at the Faculty of Biology at the Technion discovered a unique mechanism that protects marine bacteria from viruses that attack them
Ground level ozone has negative effects on human health. Photo: pexels, german latasa

How does ozone pollution affect diabetes morbidity?

plastic waste. Illustration: depositphotos.com

Plastic in the human body: will the plastic convention change the situation?

Israel is the leader in the consumption of single-use plastic products. At the end of the month there will be a meeting in South Korea designed to draft an international plastic convention, and Israel is also expected to participate in it. What is that treaty and how will it affect it?
The dilemma of eating habits. Illustration: depositphotos.com

Harmful eating habits increase the risk of fatty liver disease - even among those with a healthy lifestyle

A new study in collaboration with the University of Haifa and the Tel Aviv Medical Center reveals: fast eating and emotional impulses significantly increase the risk of fatty liver, even when a healthy lifestyle is maintained
Invisible dust storm. Photo courtesy of the Tel Aviv University spokeswoman

50% of the dust storms in Israel are not recognized and this may endanger the public

In the eastern Mediterranean area there is desert dust in the air almost all year round, and not only in spring or autumn as is commonly thought. Why is this important?
Old rusty fuel pump. The fuel for many years contained lead and the damage caused still affects today. Illustration: depositphotos.com

Were you born before 1996? Your IQ is lower than it should be

Illustrative epigenetics: depositphotos.com

The Technion will award the Harvey Prize to three groundbreaking researchers in the field of cancer epigenetics

Prof. Peter Jones, Prof. Steven Bailin and Prof. Andrew Feinberg will receive the Harvey Award in the field of science and technology for their contribution to the diagnosis of diseases and the development of treatments based on the understanding of epigenetic mechanisms
Improving a disease prediction model. The image was prepared using DALEE and is not a scientific image.

A new model can change the ways of decision-making in healthcare systems

Researchers from the Hebrew University improved Elixhauser's comorbidity model and improved the accuracy of predictions about the duration of hospitalization, risk of mortality, re-hospitalization and increased treatment
Illustration of the relationship between air pollution and autism spectrum disorders (ASD). Credit: Dr. Rahaitham Amal 

Research at the Hebrew University links common pollutants in the air to autism

"Different types of neurological disorders, including disorders on the autism spectrum, may be related to this environmental factor," explains Prof. Haitham Amal from the Hebrew University of Jerusalem, senior author of the study
Glucose measuring device on hand, connected to diabetes management with advanced technology that predicts sugar levels four years ahead. ISHA SALIAN

Weizmann Institute researchers, Pheno.AI and NVIDIA developed a creative artificial intelligence model to predict blood sugar levels up to 4 years ahead

The researchers of the three organizations reveal GluFormer, a generative artificial intelligence model (Generative AI) based on a transformer architecture similar to GPT from OpenAI - but instead of text - it produces a prediction of levels
Fruit flavored electronic cigarettes are dangerous. can cause lung cancer and other diseases. The image was prepared using DALEE and is not a scientific image

A new study in PNAS reveals that fruit-flavored e-cigarettes harm the immune system of the lungs

The Cancer Society: "The reason for using sweet flavors is an attempt to bring teenagers into the circle of users. Their sale must be banned immediately"
Strong lightning storm over Indianapolis. Illustration: depositphotos.com

Extreme rain events and their effect on mortality - new conclusions from a global study

The researchers noted that moderate to high amounts of precipitation had a positive effect on public health, most likely due to a decrease in air pollution and people staying at home. However, extreme rainfall, beyond certain levels,
air pollution Illustration: depositphotos.com

The tiny killer: air pollution is ranked as the second risk factor for death in the world

The State of the World Air report reveals that air pollution caused the death of more than 8 million people in one year. Who is at high risk, what is the situation in Israel and what can be done?
Alzheimer's. Illustration: depositphotos.com

The combined vaccine for shingles: a breakthrough in reducing the risk of dementia

While the live shingles vaccine has already shown signs of protection against dementia, the new combined vaccine offers even more promising results, with far-reaching public health implications
The bacterium Pseudomonas Aeruginosa causes sinusitis A Hrefhttps Depositphotoscom illustration Depositphotoscom A

Fighting antibiotic resistance using peptide mixtures

New research highlights the potential of random mixtures of antimicrobial peptides to significantly reduce the risk of resistance development compared to single peptides. These findings highlight the need for innovative solutions to overcome
Fires on the border between Israel and Lebanon. Illustration: depositphotos.com

The war on the hive: how do the fires affect the bee population in Israel?

Following the severe fires in the north, the beehives were also damaged - what might be the cost of the damage and is there anything that can be done to restore them?
Ozenfik weight loss shot. Illustrating the knowledge site using DALEE. The image should not be seen as a scientific image

What do the celebs know about weight loss shots that we should also know?

A researcher at the Faculty of Medicine at Tel Aviv University investigates whether we will soon be able to eat what we want without guilt?
Oil drilling. Illustration: depositphotos.com

The petroleum industry is destructive and destructive to Israel

Opinion: Despite the objections of experts and residents, these days the Prime Minister's Office is examining the expansion of the transportation of the oil of Ketsa'a; In light of the dangers involved in a course of this kind - it seems that our government has it simple
dust storm Illustration: depositphotos.com

read in the dust

Forecasting dust storms is a complicated matter. A new study was able to predict storms in our region with a high level of accuracy - and thereby outline how artificial intelligence can be harnessed to understand processes in the atmosphere
We have already passed the 1.5% limit. . Illustration: depositphotos.com

Earth's Ecological Limits: Urgent Action Required for a Sustainable Future

According to preliminary research, we have already passed most of the limits of resource utilization. The world's resources, including the climate, biodiversity, water systems and other natural resources, have exceeded their limits and reached catastrophic levels. is there a way
Although pesticides are an important link in the modern food supply chain, in light of the dangers these substances bring with them, it is necessary to monitor their doses in our food. Photo by Markus Spiske on Unsplash

A little more than you asked for on the plate

The State Comptroller's report indicates: the scope of the use of pesticides, which are designed to overcome the problem of pests, is increasing significantly - and harming the health of Israeli consumers. So what do we do? Learn to spray differently
Environmental pollution. From Jumpstory.com

23% of deaths in the world are caused by an unhealthy environment

Milat Yitzchak by Avraham, Sefer Torah from Regensburg, year 1300 or so

Circumcision: the unnecessary operation that will not stop

A health worker in Ethiopia puts a blood sample on a rapid malaria test kit, 2012. Photo: UNICEF Ethiopia.

Ideas that will change the world: cheap diagnostic tools on pieces of paper

A healthy city. Illustration: shutterstock

Reflections - Cultivating healthy cities / Bracha Reger and Milka Donhin