Caffeine and headaches. When it comes to headaches, caffeine can be either a positive or negative force. For some chronic caffeine users, stopping the use of it can lead to withdrawal syndrome, in which headache and fatigue are prominent.
At home it can be safely used for yeast infections, wrinkles, to thicken eyelashes, migraine, sunburn and acne. This is a popular remedy for constipation one teaspoon once a day for three days only, though it needs to be pure cold pressed castor oil.
1 For constipation: 15 mL of castor oil is commonly used. 2  For cleaning the bowel before surgery or examining the colon (colonoscopy): The dose for adults and children over 12 is 15-60 mL of castor oil given 16 hours before the procedure.