Equinox's new $40,000 membership promises to help you 'live 100 healthy years.' Longevity experts say doing these 4 simple things will work just as well.

Equinox's new $40,000 membership promises to help you 'live 100 healthy years.' Longevity experts say doing these 4 simple things will work just as well.

yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.