Medical research

Study finds cosmetic products contain endocrine disruptors

Researchers from the University of Granada and the San Cecilio de Granada Teaching Hospital confirm that endocrine disruptors—chemical substances that may mimic or block the action of hormones—are present in some cosmetic ...

Medical research

Research reveals why redheads may have different pain thresholds

New research led by investigators at Massachusetts General Hospital (MGH) provides insights on why people with red hair exhibit altered sensitivity to certain kinds of pain. The findings are published in Science Advances.

Diseases, Conditions, Syndromes

COVID-19 mask study finds layering, material choice matter

Wearing a face mask can protect yourself and others from COVID-19, but the type of material and how many fabric layers used can significantly affect exposure risk, finds a study from the Georgia Institute of Technology.

Medical research

The bald truth—altered cell divisions cause hair thinning

Hair grows from stem cells residing in hair follicles. During aging, the capability of hair follicles to grow hair is successively lost, leading to hair thinning and ultimately hair loss. In a new study, researchers from ...

Biomedical technology

3D lab skin for chemicals testing, research and repair

A model system that recreates full-thickness human skin should allow more effective testing of pharmaceuticals and cosmetics, while avoiding the need for animal tests. The system effectively models the development, cellular ...

Health

Formaldehyde in hair straighteners prompts FDA warning

You might decide your natural locks aren't so bad after all, given a new warning from the U.S. Food and Drug Administration that most hair straightening/smoothing products release formaldehyde gas, a human carcinogen.

Medical research

A recipe for regenerating bioengineered hair

Researchers at the RIKEN Center for Biosystems Dynamics Research in Japan have discovered a recipe for continuous cyclical regeneration of cultured hair follicles from hair follicle stem cells.

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