Chronic stress and social isolation are frequently cited as precursors to physical illness, yet the biological machinery ...

Eustachian tube dysfunction often determines whether a routine ear infection clears quickly or develops into a persistent condition. This study reveals that the mitochondrial enzyme SIRT3 plays a ...

Mitochondria - cellular energy hubs in the brain - may be the key link between life stress, trauma, and changes in mental ...

The mitochondrial protein COX7RP may increase healthspan in mice, a new study reports.

Mayo Clinic researchers have uncovered how aging "zombie cells" trigger harmful inflammation that accelerates a severe and ...

When I tried statin therapy as part of an experiment, I quickly developed a common side effect. But what concerned me wasn’t just the sensation of pain — it was what that pain might ...

Researchers outline why organs from older donors are often discarded and identify the biological and immunological pathways ...

Acute systemic inflammation has long been suspected to trigger harmful processes within the brain, contributing to ...

Aging taps us on the shoulder in many ways: wrinkles, thinning hair, loss of flexibility, slowing of the brain. But the ...

Scientists discovered that certain gene changes allow cells to function even when frataxin, the protein lost in Friedreich’s ...

People with type 2 diabetes either don’t make enough insulin or their bodies can’t use insulin properly. Insulin is the ...