It's a never-ending cycle — you don't work out because you're sleepy, and then you gain weight because your daytime fatigue leads to bad food choices. Breaking this cycle can be as easy as convincing yourself to work out when you're getting sleepy.
Thyroid conditions can affect both the physical and mental abilities of athletes. As always, proper treatment is key — but be warned that too much treatment can lead to doping controversies.
Cheryl Hile, 43, has run 44 of her 57 marathons while living with MS. She lives by a mantra that everyone should: “I will do what I can and I will never give up.”