HLTC22H3 Lecture Notes - Lecture 3: Osteoarthritis, Soft Tissue, Menopause
Document Summary
Skin renews about every 30 days; completely replaced. Why wrinkle? (makes skin more fragile); cumulative exposure to sunlight. Pressure ulcers: can happen if stay in 1 position for too long. Cells form mass tissue (growth/tumour), can be cancerous. Carcinoma: cancer beginning in skin; tissues in line that cover internal organs. Can occur to parts not exposed to sunlight. Can spread to lymph nodes and internal organs. Bone mass peaks at average of 30 years; after that, declines. More common in women, but men can get too. Due to low levels of calcium, phosphorus, other minerals. Hip fractures really serious; older adults, 20% die within 1 year; 1/4 full recovery. Cartilage covering bone ends start wearing down; cause of pain/swelling. Any joint affected; most common: hands, knees, hips, spine } result in disformation. Key issues of aging; tend to make aging more uncomfortable. Skeletal - move body parts ; with exercise can increase (can control)
