Health News - Treelet Health

Health News 2026-02-07

4 in 10 global cancer cases are preventable, landmark study finds

A new landmark analysis from the World Health Organization (WHO) and its subdivision, the International Agency for Research on Cancer (IARC), emphasizes just how many cancer cases globally could be prevented through lifestyle choices. According to the analysis, up to four in 10 new cases of cancer globally are preventable. One striking finding also suggests that there are significantly more cancer cases affecting the male versus the female population. The analysis outlines 30 modifiable risk factors, including, for the first time, nine types of infections.

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Health News 2026-02-06

What is the Nipah virus and what is the risk of a global outbreak?

Two new cases of the often deadly zoonotic Nipah virus have been reported in West Bengal, India. A 1998 outbreak of the virus claimed the lives of over 100 people. The virus’ unusual modes of transmission make it an unlikely candidate for a worldwide pandemic. The virus is carried by fruit bats, or “flying foxes,” that infect a popular delicacy as well as other mammals with whom humans work in the Asia-Pacific region.

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Health News 2026-02-05

Men may develop cardiovascular disease earlier in life than women

A new study examines differences in heart disease risk between males and females. The researchers find that an increased risk in males begins much earlier in adulthood than expected. More surprisingly, this effect was still present after controlling for other factors, such as the protective nature of female sex hormones.

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Health News 2026-02-04

HIIT may help older adults lose fat while preserving muscle

A study suggests high-intensity interval training (HIIT) can reduce body fat most effectively without compromising muscle mass in older adults. Moderate- and low-intensity exercise may also help reduce fat, but might lead to some muscle loss. The findings may help tailor exercise recommendations for healthy aging.

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Health News 2026-02-03

What's the best approach for weight loss after menopause? Study sheds light

Women at menopause experience a variety of symptoms, including weight gain. It can be challenging for them to lose any weight they gain due to changes in their hormones and metabolism. To help lose menopause-related weight, some women are turning to GLP-1 medications. A new study found that the combination of menopausal hormone therapy with tirzepatide may help postmenopausal women lose more weight.

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Health News 2026-02-02

Two days of oatmeal may help reduce 'bad' cholesterol levels, study finds

A two-day oatmeal-only diet resulted in lower cholesterol levels that persisted for six weeks in a new study. In the study, the sudden influx of oats led to beneficial gut microbiome activity that may disrupt cholesterol handling at the cellular level. A parallel six-week study by the same researchers, which replaced one meal a day with oats, did not observe similar cholesterol reductions.

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Health News 2026-02-01

Is sleep the missing piece in mental health?

Which came first, depression or insomnia? And why do some people with depression sleep too little and others too much? Research shows sleep and mental health share a complex, two-way relationship, but how do we improve our sleeping habits? And do supplements like melatonin actually help?

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Health News 2026-01-31

Can treating rheumatoid arthritis before it sets in help delay its onset?

As of 2021, about 17.9 million people around the world were living with rheumatoid arthritis. There is currently no way to prevent rheumatoid arthritis, especially if it runs in your family. A new study has found that treating people at high risk of developing rheumatoid arthritis with a rheumatoid arthritis medication may help delay disease onset for several years.

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Health News 2026-01-30

2 or more alcoholic drinks a day linked to 91% higher colorectal cancer risk

Factors such as a diet high in processed meat and low in fiber, obesity, and physical inactivity have been linked to colorectal cancer risk. A recent study found that consistently drinking large amounts of alcohol and larger averages for lifetime alcohol consumption might also increase the risk for colorectal cancer. The results suggest another possible danger related to the heavy use of alcohol throughout one’s life.

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Health News 2026-01-29

Night owls may have a higher cardiovascular risk: Here's why

A new study focuses on the health impacts of being more active in the evening and going to bed later. In other words, a ‘night owl.’ Focusing on heart health, the authors conclude that, compared with non-night owls, they have an increased risk of cardiovascular disease. The authors also drill down into the lifestyle factors that drive this increase in risk.

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Health News 2026-01-28

Predisposition to blood sugar spikes linked to 69% higher Alzheimer's risk

A recent study examined the relationship between glucose levels, insulin, and brain health. Researchers found an association between higher post-meal glucose levels and an increased risk of Alzheimer’s disease. Further research is now required to replicate these results in a broader population.

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Health News 2026-01-27

More plants, less meat could help reduce risk of kidney disease, study finds

Chronic kidney disease (CKD) is a condition that affects millions of people, and factors such as high blood pressure, diabetes, and obesity can increase a person’s risk. Research has shown that diet and exercise are key to reducing that risk. Now, a study has found that the EAT-Lancet diet, designed to be sustainable and largely plant-based, can reduce a person’s risk of developing and help prevent CKD.

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