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Treelet Health provides the latest health news, disease prevention, nutrition and diet, and other professional health knowledge to help you maintain a healthy lifestyle.

1 to 3 cups of caffeinated tea or coffee a day may help reduce dementia risk
Health News 2026-02-11

1 to 3 cups of caffeinated tea or coffee a day may help reduce dementia risk

Past studies show that eating a healthy diet and consuming foods and beverages with certain naturally-occurring substances — such as caffeine — may help lower a person’s dementia risk. Some of these substances include flavonoids, antioxidants, and vitamins. A new study found that moderate consumption of caffeinated coffee or tea, which is high in antioxidants, helped reduce dementia risk, slow cognitive decline, and preserve cognitive function.

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Could being a night owl or early bird affect weight loss and muscle strength?
Health News 2026-02-08

Could being a night owl or early bird affect weight loss and muscle strength?

According to a new review, understanding your biological clock and chronotype might help you build muscle and lose weight more effectively. Working with, rather than against, your chronotype — such as being a night owl or an early bird — could increase performance and support metabolic health. The review also highlights the importance of maintaining muscle mass in promoting healthy aging. Medical experts also touch on three key areas night owls can improve their health.

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4 in 10 global cancer cases are preventable, landmark study finds
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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What is the Nipah virus and what is the risk of a global outbreak?
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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Men may develop cardiovascular disease earlier in life than women
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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HIIT may help older adults lose fat while preserving muscle
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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What's the best approach for weight loss after menopause? Study sheds light
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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Two days of oatmeal may help reduce 'bad' cholesterol levels, study finds
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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Is sleep the missing piece in mental health?
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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Can treating rheumatoid arthritis before it sets in help delay its onset?
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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