The same study also reported numerous positive results including the following amongst others: 1  Improved sleep. 2  Decreased pain and inflammation. 3  Reduced feelings of stress. 4  Improvements in gastrointestinal symptoms.
Rooibos tea is highly recommended in pregnancy. It is caffeine free, contains calcium, magnesium and loads of antioxidants. It also has positive effects on digestion and can ease colic and reflux. Children can also drink Rooibos, and it is lovely with milk and a little honey.
Assuming you are not talking about a headache from a hungover, or a cold, or a brain tumor, but something like a migraine. The best thing to consume is green tea, given you do not have any digestive problems. What also works is having a massage on your neck and shoulders (but please don't do that if you are pregnant.