8 At-Home Remedies Your Grandma Swears by That Actually Work

The herb that’s widely used in Central American and South American cooking is also often thrown into warm tea to aid ailments. “There is evidence that cayenne pepper will help with stomach trouble" by stimulating the digestive system, said Roach. “But you should only try this if you typically eat spicy food or hot peppers. If you don’t normally do well with those kinds of foods, it could upset your stomach even more instead of help it.”