Doctors say rapid weight loss can cause a decline in muscle mass, a major factor when it comes to keeping the weight off, and may recommend strength training and protein consumption plans. https://gma.abc/41MEJNe SUBSCRIBE: https://bit.ly/2Zq0dU5 SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j VISIT GMA: https://www.goodmorningamerica.com FOLLOW: TikTok: https://tiktok.com/@gma Instagram: https://instagram.com/GoodMorningAmerica Facebook: https://facebook.com/GoodMorningAmerica Twitter: https://twitter.com/gma #weightloss #ozempic #health #gma