Who doesn't need them? Touch and closeness with others is in fact necessary for survival. It also lessens the intensity of pain and strengthens the immune system. According to a 2003 study, more hugs are related to better cardiovascular health and less reactivity to stress.
Apparently some high schools have banned hugging, while others embrace it. If appropriateness is a problem there is always the safe "side-hug" to fall back on.
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Here's probably my favorite music video. Music by DMB and a lot of hugs by a guy with some sweet sideburns.
What is your stance on hugging? Close friends and family only? New friends? Weird guys running around on the street? Trees? Personally, I like any opportunity for a good hug, as long as it feels safe. Granted, hugs with my wife are more frequent and last a little longer, but being able to hug someone is a sign that there is comfort there--some kind of positive connection.