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Researchers developed a way to study human body clocks using hair tissue, which works similarly in both healthy and dementia patients.

Leptin-deficient mice, used as a model for Type 2 Diabetes, have delayed wound healing due to impaired contraction and other dysfunctional cellular responses.

Mice without the enzyme HSD17B3 still produce normal testosterone, suggesting they have different ways to make it compared to humans.

Lack of a key enzyme causes severe skin issues and death in mice.

The right amount of retinoic acid is essential for normal hair growth and development.

The ACTH/MC2R system is crucial for controlling hair growth cycles in mice.

ZDHHC13 is important for normal liver function and metabolism, affecting mitochondrial activity.

The tumor suppressor gene FLCN affects mitochondrial function and energy use in cells.

A mother's PPARγ is crucial for preventing harmful milk that can cause inflammation and growth problems in babies.

Keratin is crucial for skin barrier formation and affects mitochondrial function.

Mitochondrial reactive oxygen species are essential for skin and hair development.

Eating too much or too little vitamin A can cause hair loss.

TNFα helps grow and maintain liver cells in 3D culture for a long time.

Caspases are enzymes important for both cell death and various non-lethal cell functions, affecting head development and hair growth, with different caspases playing specific roles.

A male with aromatase deficiency improved bone health with estradiol treatment.

Copper deficiency may cause hair loss, and treating it could involve nutrition and hormones.

Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.

Defective mitochondrial DNA replication causes aging symptoms and increased oxidative damage in mice.

Restoring mitochondrial function in mice reversed their skin wrinkling and hair loss.

Red light exposure can slow aging in mice by improving fat metabolism.

Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.

A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.

Photobiomodulation therapy using red and near-infrared light can reduce inflammation and aid in healing various conditions.

Rapamycin treatment helps with mitochondrial disease by reducing PKC levels.

Rapamycin may help treat Leigh syndrome by targeting protein kinase C.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

New genes linked to ichthyosis were found, but there's still no cure; treatment options are improving.

Zinc is essential for plant growth and human health, but many soils lack enough zinc, affecting crops and potentially leading to health problems.