Although all sports can be both physically and emotionally beneficial, swimming produces brain chemicals that stimulate muscle contractions and generate substances, called hormones, that may help promote a sense of well-being and higher self-esteem. Serotonin influences mood and helps control the brain’s response to stress and anxiety (Millehan, 2011). A study evaluated 141 anxiety levels of female college students in relation to their swimming skills. The results confirmed a moderately strong correlation the level of anxiety and swimming skills, demonstrating that learning how to swim decreases the anxiety levels of female college students (Muhamad, Sattar, Abadi, & Haron, 2013). Jan Millehan, a fitness health researcher and writer, suggests
