Your diet is one of the most crucial components of your health, especially when it comes to weight loss. And while many ...

When it's overactive (hyperthyroidism), symptoms can include weight loss, anxiety and rapid heart rate. While medication is ...

Low vitamin D levels can cause muscle weakness, cramps and bone pain. You'll generally feel muscle weakness in your upper ...

Allergic reactions to vitamin B12 are rare, but real. The reason may sound strange, but it's true - an allergy to cobalt.