general biology

What class of biological molecules does sugar belong to?
What are the most common types of sugars in our diet?
How do sugar molecules provide us with energy?
What are the dangers of consuming excess sugar?
What other molecules (besides sugars) serve as a source of energy for our bodies?
Research shows that regular exercise and physical activity have multiple health benefits. List at least five physiological benefits of regular exercise.
Based on what you learned from the Guardian article and other reliable resources, describe potential positive and negative effects of high-intensity interval training (HIIT) on human health.
Analyze your diet, level/type of physical activity and make specific recommendations for yourself on how to achieve (or maintain) healthy weight.