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Gut health affects skin diseases, and probiotics might help.

Wound healing is greatly affected by the types of bacteria present, which can either help or hinder the process.

The scalp has more diverse bacteria, while hair has more bacteria and unique types.

Understanding how Regulatory T Cells work could help create treatments for certain skin diseases and cancers.

Bacillus subtilis helps plants get more phosphorus and grow better roots.

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

The study developed a tool to predict how gut microbes process foods and drugs, showing that similar compounds often share metabolic pathways and effects.

The conclusion is that certain genetic factors and blood types may affect COVID-19 severity, but changes in ACE2 and TMPRSS2 genes are not clearly linked to it.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.

A blood pressure drug, diltiazem, may also help treat influenza.

Hydra can help understand human hair follicle microbiomes and develop new skin disease therapies.

Sex hormones may affect COVID-19 severity, with estrogen possibly reducing risk and testosterone potentially increasing it.

The scalp's microorganisms significantly affect hair health and disease.

Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.

Skin bacteria, specifically Streptococcus and Staphylococcus, help in hair regrowth after skin injury and speed up wound healing.

Restoring hair bulb immune privilege is crucial for managing alopecia areata.

An imbalanced gut and lack of biotin can cause hair loss in mice.

Special immune cells called Treg cells are important for maintaining and regenerating hair by activating a specific growth signal in hair stem cells.

Lipopolysaccharides boost wheat seedling growth, but procyanidin B2 weakens this effect.

Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Short-chain fatty acids from *Cutibacterium acnes* cause skin inflammation, contributing to acne.

Special immune cells called Regulatory T cells help control skin inflammation and repair in various skin diseases.

HPV16 oncogenes disrupt the normal activity of hair follicle stem cells.

The document concludes that pregnancy and cancer share immune evasion tactics, but more research is needed before using checkpoint blockade immunotherapy in pregnant cancer patients to avoid harm to the placenta.

Men are more likely to have severe respiratory viral infections like COVID-19 due to hormonal and genetic differences, while women generally have stronger immune responses.

New technologies help us better understand how skin microbes affect skin diseases.

Skin stem cells remember past inflammation, helping them respond better to future injuries and possibly aiding in treating skin issues.

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