# Nutrition and dietary habits in bone and muscle health > Live situation record from CLSTR: https://clstr.news/situations/nutrition-and-dietary-habits-in-bone-and-muscle-health > Updated: 2026-09-18T16:48:47.000Z. Sources: 7. Developments: 2. Research highlights the connection between nutritional habits and the maintenance of bone and muscle health during the aging process. Studies indicate that meal timing significantly influences fracture risk. Skipping breakfast is linked to an 18 percent higher risk of fractures, potentially due to cortisol levels affecting bone metabolism, while eating within two hours of bedtime is associated with an 8 percent increase in risk due to disruptions in the biological clock. Nutritional focus in one's 30s should prioritize protein, calcium, vitamin D, and iron to build long-term health foundations. As individuals age, particularly after 40, maintaining adequate protein intake becomes essential to combat the natural decline in muscle mass. For women, menopause can further complicate this by decreasing estrogen levels, which impacts bone density and fat distribution. Experts recommend distributing protein consumption throughout the day and combining it with strength training. Nutrient deficiencies in iron, vitamin D, zinc, selenium, and B vitamins may manifest through physical symptoms such as fatigue, weakened immunity, and changes to skin, hair, and nails. ## Timeline ### 2026-09-18: Protein intake importance for muscle and bone health Protein intake is vital for muscle and bone health, especially after age 40. Deficiencies can lead to fatigue, hair loss, and brittle nails, requiring balanced nutrition and strength training. 5 sources. https://clstr.news/cluster/protein-intake-importance-for-muscle-and-bone-health ### 2026-09-13: Nutrition and meal timing impact bone health and aging Nutritional experts highlight that meal timing and age-specific dietary needs are critical for bone health and long-term wellness, noting that skipping breakfast can increase fracture risks. 2 sources. https://clstr.news/cluster/nutrition-and-meal-timing-impact-bone-health-and-aging --- Cite as: Nutrition and dietary habits in bone and muscle health. CLSTR, https://clstr.news/situations/nutrition-and-dietary-habits-in-bone-and-muscle-health