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Adults should not consume more than 255 micrograms of selenium per day to avoid risk of hair loss and other side effects.

Long-haul COVID can cause lasting symptoms affecting many body systems and may be linked to ongoing inflammation and immune system issues.

Mitochondrial dysfunction links metabolic syndrome and inflammatory skin diseases, suggesting targeted therapies and lifestyle changes.

Human skin can provide stem cells for tissue repair and regeneration, but there are challenges in obtaining and growing these cells safely.

Scientists developed tools to observe hair regeneration in real time and assess skin health, using glowing mice and light-controlled genes.

Enterococcus faecalis delays wound healing by disrupting cell functions and creating an anti-inflammatory environment.

Hair mineral analysis might help diagnose diseases early, but standard methods are needed.

A natural steroid in the body may protect against eye damage in glaucoma.

Most children with a common hemochromatosis genotype had elevated iron levels but no severe symptoms.

Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

Skin aging is caused by stem cell damage and can potentially be delayed with treatments like antioxidants and stem cell therapy.

Proper niche formation in Drosophila requires Slit-Robo signaling for cell migration.

Sensory neuron and Merkel cell changes in the skin happen independently during normal skin maintenance.

Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.

PPARγ is essential for maintaining healthy skin, controlling inflammation, and ensuring proper skin barrier function.

Mice with alopecia areata had wider lymphatic vessels in their skin.

Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.

Applying calreticulin can speed up wound healing in diabetics.

Hair follicle regeneration may slow tumor growth.

Removing integrin α3β1 from hair stem cells lowers skin tumor growth by affecting CCN2 protein levels.

Most adrenal cortex tumors are benign and non-secreting, but proper diagnosis and treatment are important due to the rare possibility of cancer.

Physiology education needs to include more diversity and different perspectives to better represent all populations.

Overexpressing SSAT enzyme reduces prostate tumor growth in mice.

Super-enhancers controlled by pioneer factors like SOX9 are crucial for stem cell adaptability and identity.

People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.

A specific group of slow-growing stem cells marked by Thy1 is crucial for skin maintenance and healing in mice.

Finasteride worsens stress effects on sensory processes, possibly linking to anxiety/depression.

Ficus carica extract improved fertility in rats and may help with certain health conditions.

Vav2 and Vav3 proteins help control skin stem cell numbers and activity in both healthy and cancerous cells.

Blocking RANK signaling might help treat metastatic melanoma, but more research is needed.