Your skin is in a constant state of reinvention. Every month, your body sheds and regenerates its entire outer layer—a ...

The skin has two types of adult stem cells: epidermal and hair follicle. Their jobs seem well-defined: maintaining the skin, or maintaining hair growth. But as research from Rockefeller University has ...

Researchers have developed a new drug that regrows hair by reactivating dormant hair follicle cells. The approach is different than current treatments, which only slow down hair loss. It reactivates ...

Thinning hair has always been a symptom of aging, but experts say men seem to be losing their hair earlier than previous generations. Modern lifestyles may quicken hair loss due to increased stress, ...

Clearance of dying cells is essential to the health of tissues. Study of hair follicles finds that, when follicle stem cells encounter dying neighbours, they become temporarily able to engulf and ...

Graying hair could be a sign that the body is effectively protecting itself from cancer, a new study suggests. Cancer-causing ...

Humans aren't capable of regenerating lost limbs, but our bodies can heal from many wounds. Whenever we scratch or cut our skin, for example, skin stem cells move in to regrow the epidermis and repair ...

A new study has identified a protein that appears to be essential for hair growth and hair follicle protection. Called MCL‑1, it could potentially be targeted by treatments for certain kinds of ...

Hair follicle stem cells (green) mobilize and expand (white) to help repair the skin’s barrier by differentiating into epidermal lineages (red). When a child falls off her bike and scrapes her knee, ...

Billions of our cells die every day to make way for the growth of new ones. Most of these goners are cleaned up by phagocytes - mobile immune cells that migrate where needed to engulf problematic ...

Every day, the human body removes billions of dead cells. 1 Professional phagocytes, such as macrophages and dendritic cells, do a lot of the heavy lifting, but some non-immune cells, the so-called ...