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Prostate cancer cells can make their own androgens to activate the androgen receptor, and treatments like abiraterone may increase this ability, suggesting new therapies should target the entire steroid-making pathway.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

Corticosteroids, especially prednisone, improve short-term muscle strength in Duchenne muscular dystrophy but have manageable side effects.

The Rotterdam Study updated findings on elderly health, focusing on heart disease, genetics, lifestyle effects, and disease understanding.

Hair and nail cells share similar proteins, indicating a common differentiation pathway.

Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.

The Rotterdam Study found risk factors for elderly diseases, links between lifestyle and genetics with health conditions, and aimed to explore new areas like DNA methylation and sensory input effects on brain function.

Fat tissue-derived cells show promise for repairing body tissues, but more research and regulation are needed for safe use.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

The Rotterdam Study aims to understand disease causes in the elderly and has found new risk factors and genetic influences on various conditions.

Understanding different species' regeneration can improve mammalian healing.

Insulin resistance is a key factor in polycystic ovary syndrome, but genetics may also contribute.

Dermoscopy is a useful tool for identifying features of skin conditions, but more research is needed to define its role in dermatology.

Creating stronger blockers for skin enzymes might lead to better treatment for conditions like acne and excessive hair growth.

Cyproterone acetate is effective for acne but less so for hirsutism and alopecia, with some side effects and quick menstrual cycle recovery after treatment.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Guidelines suggest various treatments for alopecia areata, but leaving it untreated is also an option as 80% cases may recover on their own.

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

Keratins are crucial for cell structure, growth, and disease risk.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.

The ZIP7 gene helps control zinc levels in cells by moving zinc from the Golgi apparatus to the cytoplasm.

Dermatologists need to understand hair products to treat hair and scalp issues better.

The Apc gene is crucial for normal skin and thymus development.

ATP-dependent chromatin-remodeling complexes are crucial for gene regulation, cell differentiation, and organ development in mammals.