Muscle loss, also known as muscle atrophy, occurs when muscle cells shrink or degrade as a result of disuse, poor nutrition, aging, or disease. This leads to reduced muscle strength, fatigue, weakness, and declines in physical function. Some key points about muscle loss include:

  • Causes
    • Lack of physical activity
    • Not enough protein, calories, or nutrients in the diet
    • Aging - we lose muscle as we get older
    • Illnesses like cancer, heart disease, diabetes
  • Symptoms
    • Feeling tired and weak
    • Difficulty with daily tasks like climbing stairs
    • Weight loss
    • Joint aches and reduced range of motion
  • Risk factors
    • Lack of exercise
    • Poor diet
    • Being over age 50
    • Chronic diseases
  • Prevention
    • Strength training 2-3 times per week
    • Getting enough protein - aim for 0.5-1 gram per pound of body weight daily
    • Eating fruits, vegetables, and whole grains
    • Managing chronic illnesses
  • Treatment
    • Exercise with weight training
    • High protein diet
    • Possibly supplements like creatine or vitamin D
    • Treating underlying illness if one is contributing
In summary, muscle loss stems from factors like inactivity, malnutrition, illness, and aging. It can profoundly impact strength, mobility, and quality of life. Staying active with weight training, eating a nutrient-rich diet, and managing illnesses can help preserve muscle as we age. Speak to your doctor or a professional from Renew Health Clinic if you have significant, unexplained muscle loss for a full evaluation.

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