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  1. Rapid weight gain: 11 underlying causes and what to do

    Apr 22, 2025 · Rapid weight gain may be due to lifestyle changes such as quitting smoking. However, it may also indicate an underlying medical condition, such as kidney disease, …

  2. Rapid Weight Gain: 13 Common Causes Of Unexplained Weight Gain

    Aug 6, 2025 · Sudden weight gain can be a normal part of life, but unexplained weight gain can also be a result of conditions including PCOS, depression, and perimenopause.

  3. Unexplained Weight Gain & Causes of Rapid Weight Gain

    Apr 24, 2025 · There are many reasons why you could gain weight unintentionally. Causes of unexplained weight gain range from getting older and hormonal changes to health conditions …

  4. Conditions That Can Cause Weight Gain - WebMD

    May 21, 2025 · When you get less than six hours of shut-eye a night, you may have more body fat. About eight hours is the sweet spot for maintaining a healthy weight. Lack of sleep can …

  5. 12 Common Causes for Sudden Weight Gain - Men's Health

    Jan 31, 2024 · Weight fluctuations of five pounds are more are uncommon among men. Experts explain common sudden weight gain causes, what to do, and when to see a doctor.

  6. 9 Causes of Unexplained Weight Gain and Fatigue - Verywell …

    Oct 10, 2025 · Experiencing unexpected fatigue and weight gain? Learn about possible underlying health conditions, from PCOS to thyroid issues, and when to seek help.

  7. Why Am I Gaining Weight So Fast? - Health

    May 15, 2025 · Hormonal disorders, medications, and more may cause unintentional weight gain. Learn why you may be gaining weight fast and what to do about it.

  8. Why did I gain 5 pounds this week? The real reasons behind sudden ...

    Jul 9, 2025 · Most abrupt weight gain—one to eight pounds over days to a few weeks—is water or stool, not new fat. Common culprits include salty meals, premenstrual fluid retention, …

  9. What May Be Causing Unexpected Weight Changes?

    1 day ago · Unexplained weight gain or loss can be a cause of concern. Experts from Keck Medicine of USC share possible explanations.

  10. Sudden Weight Gain: Causes, Symptoms, and When to Seek Help

    Discover the causes of sudden weight gain, from hormonal imbalances to medical conditions like thyroid issues. Learn symptoms, treatments, and when to consult a doctor.