After 40 years old, individuals often experience various physical and psychological changes as part of the aging process. Here are some common aspects that people may encounter after reaching 40: Physical changes: As you age, your body undergoes natural changes. These changes can include a gradual decrease in muscle mass and bone density, a slower metabolism, changes in hormone levels, and a decline in vision and hearing. Additionally, you may notice the appearance of fine lines, wrinkles, and gray hair
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