<!DOCTYPE html><html><head></head><body style="margin: 0px; background-color: white;" ><div id='sa-content-div-pSdBShew0A' style="position: relative; width:300px"><div style="position:absolute; top:0; right:0; background:white; opacity:0.7; width:17px; height:15px; text-align:center; z-index: 16777270"><img id='sa-adchoices' src="https://creative.stackadapt.com/icons/adchoices/adchoices.png" width="12" height="12"></div><script>try{var sa_adchoices = document.getElementById('sa-adchoices');if (sa_adchoices){sa_adchoices.onclick = function(){window.open('https://www.stackadapt.com/privacy-policy','_blank');}}}catch(err){console.log(err);}</script><a target="_blank" href="https://clk.srv.stackadapt.com/clk?aid=1-3186-176166422116891859714117-1&cid=2842314&adid=11685074&sid=703faacf-b86b-4f3d-b42d-3133c2014f9e&uid=xDijaGjk6P8BaCchmezywg&did=sciencedaily.com%3A%3A159&adurl=https%3A%2F%2Feast.srv.stackadapt.com&t=1761664221&brandname=Southwoods+Health&adheading=&iidx=0&nid=159&bip=MTc0Ljk3LjEyNC4xMDA&conv=true&curl=aHR0cHM6Ly93d3cuc291dGh3b29kc2hlYWx0aC5jb20vb3J0aG9wYWVkaWNzLz91dG1fc291cmNlPXByb2dyYW1tYXRpYyZ1dG1fbWVkaXVtPWRpc3BsYXkmdXRtX2NhbXBhaWduPVNvdXRod29vZHMtT3J0aG8tUENBSS1DcmVhdGl2ZS1BXzEtTmVnYXRpdmUmdXRtX2NvbnRlbnQ9c3RhdGlj&r=" style="color:black; text-decoration:none"><img src="https://cdn.stackadapt.com/creatives/15552/wVciDtKQzg1D7J_ch0MkYgDIM%23300x100.jpeg"/></a><div></div><div></div><div><img src="https://tags.srv.stackadapt.com/rt?rip=3dwAaQAAAACuYXxk&rdid=sa_blank&ruid=d41d8cd98f00b204e9800998ecf8427e&sid=lNGU7DBVlGUI9h6hn62QJC" width="1" height="1"><img src="https://srv.stackadapt.com/cookie?campid=2842314&is_ctv=0&nativeid=11685074&domain=sciencedaily.com%3A%3A159&auctionid=1-3186-176166422116891859714117-1&impindex=0&m=MTc0Ljk3LjEyNC4xMDA&isipgen=0&conv=1" width="1" height="1"><img src="https://us-east-win.srv.stackadapt.com/win?aid=1-3186-176166422116891859714117-1&sid=703faacf-b86b-4f3d-b42d-3133c2014f9e&wp=5.99&rid=102a9585-bcef-4488-aaa3-6ed99e08a13e&network=159&t=1761664221&said=1-3186-176166422116891859714117-1&sanid=159" width="1" height="1"></div></div><script src="https://s3.amazonaws.com/stackadapt_public/js/saimp.js" purl="https://east.srv.stackadapt.com" aid="1-3186-176166422116891859714117-1" iidx="0"></script><script src="https://s3.amazonaws.com/stackadapt_public/js/saurl.js" id="sa-url-script" purl="https://east.srv.stackadapt.com" aid="1-3186-176166422116891859714117-1" iid="703faacf-b86b-4f3d-b42d-3133c2014f9e" br_domain="sciencedaily.com" br_ip="174.97.124.100" network="kargo" br_page_url="https://www.sciencedaily.com/releases/2012/01/120105161748.htm"></script></body></html>