Alzheimer's disease & dementia

Improving deep sleep may prevent dementia, study finds

As little as 1% reduction in deep sleep per year for people over 60 years of age translates into a 27% increased risk of dementia, according to a study which suggests that enhancing or maintaining deep sleep, also known as ...

Health

Do fish oil supplements really boost your health?

Stroll past the supplements in any drugstore and you'll find broad claims about fish oil helping everything from heart and brain health, to joints, eyes and immune systems. But you just might be wasting your money, according ...

Medical research

Vagus nerve active during exercise, research finds

The vagus nerve, known for its role in 'resting and digesting,' has now been found to have an important role in exercise, helping the heart pump blood, which delivers oxygen around the body.

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