The health impacts of smoking are widespread and significant, but many of the most dangerous consequences begin to reverse themselves almost from the moment you quit.
Brushing your teeth twice a day keeps plaque and bacteria in check, which can help prevent dental problems such as cavities, gum disease, and oral infections.
The health benefits of exercise are well-established, but not all exercise is created equal. Moderate activity and vigorous activity have different effects in the body, and both are important for different reasons.