According to psychologist, Karen Young, exercise releases important brain chemicals and hormones that actually help us learn and study. These include brain-derived neurotophic factor (BDNF), serotonin, dopamine and norepinephrine. You don't have to spend hours at the gym, 25-30 minutes a day can help. Try walking, running, cycling, skipping, dancing, rollerblading, rollerskating, swimming or an online class if you're in isolation. Read more at https://www.heysigmund.com.