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Iris germanica rhizome-derived exosomes help protect skin cells from oxidative stress and aging.

Eating barley for life may lead to healthier aging in mice.

Pregnancy and nursing increase certain brain activities in rats, but these changes disappear when the babies are taken away.

The skin can still regenerate and function well even with fewer fibroblasts.

BMP2 and BMP7 have opposite roles in feather formation.

Estrogen and androgen signals control synaptic changes in rat brains.

PDRN, derived from salmon sperm, shows promise in healing wounds, reducing inflammation, and regenerating tissues, but more research is needed to understand its mechanisms and improve its use.

A balanced diet with key nutrients and possible supplements can help manage post-COVID-19 symptoms.

Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Extracellular vesicles show promise for treating diseases but face challenges in development and regulation.

Nanoparticle systems make cancer treatment less toxic.

Etifoxine, an anxiety drug, can lessen brain inflammation and cognitive issues in mice, partly by increasing production of protective brain steroids.

Neurosteroids help protect the brain and improve behavior after a stroke in mice.

Injectable cryogels can deliver drugs and aid tissue repair with minimal surgery.

Signaling pathways are key targets for developing effective drugs.

The conclusion is that self-concept, shame, and emotion regulation are key factors in hoarding disorder, body dysmorphic disorder, and trichotillomania, and should be targeted in treatment and research.

Stress and emotional factors can worsen skin conditions by affecting the immune system.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Gene therapy shows promise for enhancing physical traits but faces ethical, safety, and regulatory challenges.

Short telomeres contribute to aging and cancer, and while telomerase can delay aging, it may also promote cancer.

Lymphatic vessels are essential for health and can be targeted to treat various diseases.

Activating TLR5 in the gut can extend lifespan and improve health in aged mice.

Recent selection on immune response genes was identified across seven ethnicities.

A girl with severe hair loss saw hair regrowth after using cannabis.

Leukocyte-rich platelet-rich plasma is safe and can potentially help treat scarring hair loss.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Regenerative pharmacology, which combines drugs with regenerative medicine, shows promise for repairing damaged body parts and needs more interdisciplinary research.

COVID-19 leaves 80% of patients with long-term symptoms like fatigue and headaches.

Wnt signaling helps heal injuries and could lead to new treatments.