On the perspectives of laughter, why humans laugh and how laughter creates healthy optimism.

Nutritious pet food can be expensive, but it’s a lot more affordable when you make it yourself. Here's an easy recipe for extremely low-carb dog biscuits. It’s been a resounding success with each of the 10 dogs who sampled them — even the two with sensitive stomachs. Every ingredient packs a nutritional punch.

All of these have been proven to work not only anecdotally by people who have used them but also by researchers who have studied peculiar home remedies. Give one or a few a try.