Why Can’t Humans Regrow Limbs? An Evolutionary Biologist Explains
Salamanders regrow entire limbs. We share their evolutionary blueprint. So why can’t humans do the same? The answer…
Scientists Flip Immune System “Switch,” Uncover Surprising Path To Stop Gut Inflammation
Inflammatory bowel disease (IBD) is a chronic condition involving abnormal immune-driven inflammation of the gastrointestinal tract, most commonly…
Beyond Inflammation: Scientists Uncover New Cause of Persistent Rheumatoid Arthritis
A detailed “tissue map” of rheumatoid arthritis joints suggests that scarring pathway, not just immune inflammation, may help…
Immune cells have a surprising role in exercise endurance
B cells, an important component of the immune system, might improve endurance and muscle strength.Credit: Hinterhaus Productions/Getty Immune…
Stress can cause eczema to flare-up – now we know why
Soothing the skin can help reduce eczema flare ups. Credit: Ladanifer/iStock via Getty For people with eczema, stress…
Piezo1-dependent activation of stromal cells ignites muscle inflammation in exercise and injury and is associated with inflammaging
Furman, D. et al. Chronic inflammation in the etiology of disease across the life span. Nat. Med. 25,…
‘Universal vaccine’ protects mice against multiple pathogens
A macrophage — a ‘first responder’ cell in the innate immune system — in the process of engulfing…
How ‘skull drains’ keep the brain safe from damage and pathogens
Large veins called the venous sinuses help to drain fluid from the brain and skull.Credit: Zephyr/Science Photo Library…
Damage from a heart attack comes from brain signals, mouse study suggests
Heart damage caused by a myocardial infarction is exacerbated by activation of a heart–brain–immune axis.Credit: Sevolod Zviryk/Science Photo…
Some of your cells are not genetically yours — what can they tell us about life and death?
Hidden Guests: Migrating Cells and How the New Science of Microchimerism is Redefining Human Identity Lise Barnéoud, transl.…