Fatigue, Low Energy and Weight Gain After 40: The Simple Truth Nobody Explains Clearly
Some afternoons feel like they arrive with a wall attached. You are trying to finish an ordinary day, but your energy drops, dinner feels like work, and the number on the scale seems to move more easily in one direction than the other. Fatigue, low energy, and weight gain can show up around the same time after 40. That does not mean they share one hidden cause, and it does not mean your metabolism is broken. The useful first step is to look for a pattern instead of blaming yourself—or a single body system. Why fatigue after 40 deserves a wider look Tiredness can come from something as ordinary as several short nights, a demanding season at work, eating too little earlier in the day, or becoming less active after an injury. It can also accompany menopause symptoms, depression, anemia, thyroid problems, diabetes, sleep apnea, heart disease, medication effects, and other health conditions. The National Institute on Aging’s overview of fatigue makes the same important...