healthy strokes dive into a swim routine to get fit better and more by amanda mccracken costco connection costco offers swimsuits pools and pool the warehouses and year-round on costco.com swimming offers even more found that just the presence of water lowers happiness and helps people sleep better costco member and ultraswimmer in the water his mind enters the state of “just and the mind is at peace.” but you don't have to swim 20 miles in the ocean to reap the mental and physical benefits just 30 to 45 minutes of pool swimming a few times a week can benefit you swimming is the ultimate non-weight- in the american journal of cardiology researchers found that swimming leads to decreased inflammation and improved vascular flow in patients with osteoarthritis almost 800 times denser than air at sea level so external pressure is distributed evenly on overall muscle-toning found that swimmers have a larger lung capacity than other athletes eney jones feels that swimming is about to the womb," she says how to swim? amanda mccracken is a competitive swimmer and coach who writes about health technique tips champion swimmer eney jones offers a few tips to help make your time in the pool more enjoyable try swimming with a pull buoy to float your hips and legs engage your core with a navel don't point your feet down help remind you of form if you experience breathing snorkel.-am