Flatulence is common when practicing yoga or other core exercises.
Exercise stimulates your nose’s mucus glands, and can cause runny noses.
Yawning spells are common if exercising without first warming up.
Intense exercise – particularly lifting heavy weights – can cause headaches.
Certain kinds of exercise, such as running or sit-ups, can push your stomach contents up into your esophageus, resulting in acid reflux and heartburn.