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Tzur Gueta

How fast you walk may offer clues about your brain’s aging

A new study found that people over 80 who walked the fastest had a 51% lower risk of cognitive impairment, slower memory decline and better preserved hippocampal volume, suggesting walking speed may offer clues about brain health

Tzur Gueta | 08.07.26

Night shifts disrupt the body clock and may raise the risk of dementia, heart disease and cancer

Working at night forces the body to remain awake when it is programmed to sleep, disrupting circadian rhythms and processes linked to memory, immunity and metabolism, though researchers stress that most findings show association rather than direct causation

Tzur Gueta | 08.03.26

Symptoms improved within first week: FDA approves new ADHD drug for children, adults

Simtriyo, the first approved ADHD drug to inhibit norepinephrine, dopamine and serotonin reuptake, improved symptoms within a week; US launch depends on controlled-substance classification, and it is not yet available in Israel

Tzur Gueta | 08.02.26

Your inherited DNA may determine how cancer develops, new study suggests

Inherited genetic differences may help explain why some smokers develop cancer while others do not; Researchers found genetic background influences cancer risk, tumor evolution and response to DNA damage, with implications for early detection and personalized treatment

Tzur Gueta | 07.30.26

Israeli researchers uncover hidden mechanism behind rapid antibiotic resistance

Technion scientists found that bacteria can rapidly create dozens of copies of genes that help them survive antibiotics, potentially even during short treatments, though the clinical significance and possible therapies remain under investigation

Tzur Gueta | 07.27.26

Why one nostril always feels blocked — and what it may do to your brain

The nasal cycle naturally shifts airflow between nostrils, while emerging research suggests one-nostril breathing may affect stress, relaxation, mind wandering and brain activity

Tzur Gueta | 07.25.26

Thousands sickened by lettuce in US: what may be lurking in your salad bowl?

A Cyclospora outbreak linked to iceberg lettuce highlights the importance of handling leafy greens safely at home; how can you reduce infection risk, and which common mistakes allow bacteria to thrive in your refrigerator?

Tzur Gueta | 07.24.26

The hidden cost of living longer: Israelis spend over a decade in poor health

A global study found that Israelis live longer than ever, but the gap between lifespan and healthy years has widened to 11.7 years, highlighting the growing challenge of preventing chronic disease and preserving independence in old age

Tzur Gueta | 07.23.26

Brain fog is rising among young adults: What's behind it?

Sleep deprivation, stress, information overload and lifestyle changes may contribute to brain fog, a growing complaint among young people; Experts say persistent symptoms should be evaluated as they may signal an underlying medical condition

Tzur Gueta | 07.17.26

Young, healthy and nonsmoking: The mystery behind rising lung cancer cases

US study found that lung cancer patients under 50 who never smoked reported healthier-than-average diets, prompting researchers to examine whether pesticide exposure may play a role, though experts stress the evidence remains preliminary

Tzur Gueta | 07.16.26

Former smokers who vape face higher lung cancer and death risks, study finds

A study of more than 4.5 million former smokers found that continued e-cigarette use was linked to higher risks of lung cancer and death from any cause; another study linked vaping to eye disease; experts urge quitting smoking and nicotine entirely

Tzur Gueta | 07.15.26

Tampons found to contain heavy metals — but the real risk may surprise you

Discovery of lead and arsenic in tampons raised safety concerns, but new FDA analysis examined whether they are absorbed by the body and found reassuring results

Tzur Gueta | 07.14.26

What erectile dysfunction could be warning you about your heart

Doctors say erectile problems can appear one to three years before classic cardiac symptoms, making them a possible signal to check blood pressure, cholesterol, blood sugar and other cardiovascular risk factors

Tzur Gueta | 07.12.26

New nose before senior year: Teens turn summer into surgery season

Requests for teen plastic surgery in Israel jumped 56% ahead of summer break, mostly for nose, ear and breast procedures, as doctors warn parents to check emotional maturity, realistic expectations and AI-driven images

Tzur Gueta | 07.06.26

Decaf too: your coffee habit may be saving your liver

Drinking up to five cups of coffee daily, including decaf, associated with lower risk of liver cirrhosis, liver cancer and liver-related death in a large study of more than 350,000 people

Tzur Gueta | 07.05.26

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