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Neurons and synapses are key to brain function and learning.

Dopaminergic neurons in the gut have distinct subtypes, some releasing both dopamine and acetylcholine.

TTNPB helps turn stem cells into neural stem cells, improving depression-like behaviors in rats.

Rat hair follicle stem cells have functional oxytocin receptors, useful for studying neuropsychiatric disorders.

We need to learn more about 5α-reductases and neuroactive steroids to safely make drugs targeting these enzymes.

Japanese researchers created new hair follicles from human cells that grew hair when put into mice, and other findings showed a link between eye disease severity and corneal thickness, gene mutations affecting hearing and touch, and the safety of the shingles vaccine for adults over 50.

Neuroactive steroids affect cocaine's rewarding effects through the sigma1 receptor.

NKCC1 transporters help control neuron excitability and inhibition.

Neurosteroids may help treat disorders with too much dopamine activity.

Neuroactive steroids could become safe, effective treatments with more understanding of their complex brain actions and metabolism.

Mechanoreceptors convert physical touch into electrical signals through specialized nerve structures.

Progesterone and its byproducts control a specific receptor in the brain independently of progesterone receptors, affecting conditions related to the menstrual cycle.

Low level laser therapy may help regenerate hair cells in the ear after damage from gentamicin.

Iron deficiency is linked to female pattern hair loss.

Children with alopecia areata have lower BDNF levels, linked to worse symptoms and quality of life.

Trichotillomania is a chronic hair-pulling disorder, more common in females, treated with therapy and sometimes medication.

5α-reductase affects dopamine receptors linked to sensorimotor gating, which may help understand disorders like schizophrenia.

Neurosteroids and benzodiazepines reduce neuron excitability, with lasting effects on inhibitory neurons.

Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.

Alopecia areata, a type of hair loss, is likely an autoimmune disease with a genetic link, but its exact cause is still unknown.

Negative expectations can cause adverse effects in dermatology treatments, like with finasteride for baldness, and careful communication can help reduce these nocebo responses.

New minoxidil compounds with better water solubility were made, but their full effects and safety need more research.

COVID-19 patients may experience hair loss, but it's not linked to their age or sex.

Skin symptoms without a medical cause often reflect psychological stress and are influenced by culture, requiring a team approach for treatment.

COVID-19 and related stress may increase hair loss known as Telogen effluvium.

A new method was created to analyze certain chemicals in the urine of alopecia areata patients, revealing they have higher metanephrine content. This method can also be used for other related diseases.

Aptamin C® enhances vitamin C's antioxidant effects, benefiting skin by reducing oxidative stress and inflammation.

Finasteride and dutasteride, used for prostate issues and hair loss, can cause side effects like sexual dysfunction and mental issues, which may continue even after stopping the medication, a condition called post-finasteride syndrome, for which there's currently no cure.