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AI model predicts 'biological age' from selfie — and could help doctors personalize cancer treatments
By Skyler Ware published
A new AI model can deduce a person's biological age using a selfie. Could it be used to guide cancer treatment decisions?

Mother's Day smartwatch deal: This Samsung is at its lowest-ever price
By Anna Gora published
Deals The Samsung Galaxy Watch 7 is now 33% off at Amazon and Best Buy, and the cheapest it has ever been.

Heat waves may accelerate the aging process
By Sanket Jain, Yale Climate Connections published
Recent studies have found that prolonged exposure to elevated temperatures can be harmful to health – and might even influence aging.

Rare genetic mutation lets some people thrive on just 4 hours of shut-eye
By Patrick Pester published
A newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the SIK3-N783Y mutation in a new study after testing it on sleep-deprived inbred mice.

Diagnostic dilemma: Botched penile tattoo left man with permanent semi-erection
By Nicoletta Lanese published
A man developed a rare condition after getting a tattoo on his genitals.

Shingles vaccine may directly guard against dementia, study hints
By Clarissa Brincat published
The lower incidence of dementia seen in adults who received the shingles vaccine is likely not just a correlation, scientists say, based on new results of an observational study.

Unique genes pinpointed in legendary 'women of the sea' in South Korea
By Kristel Tjandra published
A new study explores the physiology of Jeju Haenyeo, the famous female freedivers in South Korea.

How wildfire smoke hurts the body — and how to protect yourself
By Emily Cooke last updated
Experts lay bare the health effects of breathing in wildfire smoke and the steps that can be taken to reduce one's risk.
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