TEEN ENGINEERS TOMATOES MEANT TO TASTE LIKE A HAMBURGER
A 17-year-old scientist is developing genetically engineered tomatoes meant to taste like a hamburger, and a U.S. patent now lists her as an inventor.
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GLP-1 USERS HAD 37% HIGHER HAIR LOSS RISK, STUDY FOUND
A BMJ study of Penn Medicine records tied GLP-1 hair loss to a higher alopecia risk in adults with type 2 diabetes, though absolute risk stayed low.
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STUDY MODELED A 156-YEAR HUMAN LIFESPAN LIMIT
A study in npj Aging modeled a theoretical human lifespan limit of 156 years if only DNA mutations remained, with neurons and heart cells the key limit.
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MEN’S TESTOSTERONE FELL AN ESTIMATED 54%, RESEARCHERS SAID
Men’s testosterone levels fell an estimated 54% between 1972 and 2019, researchers told a London fertility conference. Obesity is among the suspects.
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21 WOMEN SNIFFED A MALE SWEAT CHEMICAL, AND CORTISOL ROSE
Women who sniffed a male sweat compound kept higher cortisol levels in a 2007 study, and reported better mood and more arousal. Here is what it found.
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MOUSE STUDY TIED GRAY HAIR AND MELANOMA TO SAME STEM CELLS
Gray hair and melanoma may stem from the same stressed cells, University of Tokyo researchers found in mice. Here is what the study did and did not show.
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SCIENTIST FLOATED 3-MONTH PERIODS TO EXTEND FERTILITY
A Chinese biologist floated periods every three months to preserve healthy eggs, but she warned of risks. The idea is still being explored in mice.
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NASA SOUGHT VOLUNTEERS FOR 12 MONTHS IN SIMULATED HABITATS
NASA went looking for volunteers to spend 12 months in a simulated Mars mission at Johnson Space Center. Here is who could apply and what they would do.
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SIMILAR AUTISTIC TRAITS MEANT MORE ATTRACTION, STUDY FOUND
A study of 30 four-person groups found people with similar autistic traits reported more attraction when their opinions matched during discussion.
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1.5 LITERS OF DIET COKE CLEARED A WOMAN’S STOMACH MASS
Doctors had a woman who took semaglutide try a Diet Coke treatment for a large stomach mass, and a follow-up endoscopy found the mass was gone.
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