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Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.

The enzyme system in hair follicles is similar to the liver's and is affected by certain inhibitors.

Cocor Bebek leaf extract may promote hair growth better than minoxidil at high concentrations.

Forensic DNA phenotyping can now predict more physical traits and ancestry from DNA, but further improvements are needed.

Three drugs change mice's alcohol drinking patterns by affecting GABAA receptors.

High doses of nandrolone decanoate disrupt ovarian hormones and receptors in rats, with recovery only at lower doses and longer recovery times.

The AndroCoV Clinical Scoring is a quick, accurate, and free tool for diagnosing COVID-19.

Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.

Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.

Finasteride is high-risk for cognitive disorders, while Carbidopa/Levodopa, Topiramate, and Clonazepam are moderate-risk.

Alloxan diabetes, methylthiouracil, cortisone, and adrenaline affect how white mice hair follicles use glucose and cystine and their cell division.

No medications for alcohol dependence have been approved for marketing yet.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

A new method improves protein extraction from hair, helping identify potential biomarkers for fetal growth issues.

Forensic DNA phenotyping is becoming useful for predicting physical traits in criminal investigations but is limited by ethical concerns and incomplete genetic understanding.

Rats developed lung issues from the drugs, but these cleared quickly after stopping them.

The methods accurately measured brain androgens, showing most 5α-androstane-3α,17β-diol comes from outside the brain, while androsterone is both transported and made in the brain.

Exposure to certain glycol ethers during pregnancy may be linked to lower verbal comprehension in children.

Hair cortisol is better than blood cortisol for measuring long-term stress in pregnant goats.

Mare and foal hair cortisol levels are strongly linked, indicating potential for assessing fetal health and stress.

Germicides mostly stay on the skin's surface, but some penetrate deeper depending on the product used.

A reliable method was developed to measure perospirone levels in human plasma for clinical use.

Glycosylated keratin levels in hair can help identify the onset of insulin-dependent diabetes.

Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.

Hair cortisol could be a marker for chronic stress in pregnancy, but depression affects cortisol levels differently.

Hair cortisol levels change with age, starting high at birth, decreasing until age 6, then rising to adult levels by age 18.

In situ DNA labeling in hair can help predict forensic DNA analysis success.

People with kidney problems have higher hair EtG levels.