You need a health magazine, sports blog, personal blog … WP-Green Life will be a good choice for you, with simple design, fresh will give you a good feeling, and diversity theme features all free.
Features theme:
Options Page
Featured Content
125×125 banners ready (easy editable from admin options)
Three columns
Gravatar on Comments
Compatible with latest WordPress versions
Widgets Ready
SEO Optimized
Fixed width
Logo .PSD included in theme folder.
Tested and compatible with all major browsers: IE, FF, Safari
Admin Options Features:
Featured Content
Logo image
Twitter
125×125 pixels banners
Sidebar Ads/Banners
Header and Footer script codes