Another benefit is environmental. When people are active it can contribute to the created healthy environment. Places where people feel comfortable to walk, would be safer because more people are out and about. Social benefits is one of the best ways to meet new people while exercising.
The most common risk in exercising is injury to the muscles and joints. This usually happens from exercising too hard or for too long. Heat exaustion or a heat stroke are also risks of exercising. Symptoms of heat exhaustion or heat stroke are dizziness, headache, nausea, and much more. Both heat exhaustion and heat stroke can be avoided if the person exercising drinks plenty of fluids, preferably water.