https://blogs.mercola.com:443/sites/vitalvotes/archive/2016/10/26/novel-ways-to-burn-calories-include-cold-exposure-and-blood-donation.aspxA list of unusual ways to burn calories and increase metabolism includes some things you probably wouldn’t think of, such as fidgeting more or donating blood, according to Authority Nutrition . Blood donation temporarily burns 650 calories, whileenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)