I'm the first person to tell ya that exercise is wonderful. If you have a heart, lungs, bones, joints, and a brain you'll benefit.
Regular exercise makes your mitochondria very happy and they multiply! Resistance training helps build bone mass as well as muscle. Sweat, and you should sweat when you exercise, is a great way to chelate toxins and heavy metals from your system. There is some promising research out there that points to exercise as a way to make Brain-derived Neurotrophic Factor (BDNF). This protein, found in your brain is vital to the survival of your neurons. Now that you're thinking about what regular exercise CAN do you let's talk about what it CAN'T.
Exercise isn't and shouldn't be your go to for weight loss or maintenance. It's a tool that when combined with proper nutrition can propel you toward your fitness goals.