yes because supplements are meant to provide nutrients they are not complete food sources. Athletes with poor nutritional habits will not reach full potential. Adequate nutrients are important for tissue growth and repair which is required for athletes to have full recovery between practices and competitions.
Yes so does your cartilage
People use light therapy to treat seasonal affective disorder (SAD), which is depression related to shorter days and reduced sunlight exposure during the fall and winter months. Most people with SAD feel better after they use light therapy.
Pneumothorax is most likely to be the diagnosis.