1. Water should be at boiling point when you pour it over the tea bag. In his 1946 essay in the Evening Standard on tea, George Orwell said âone should take the teapot to the kettle and not the other way about. You need to do this to keep the temperature of the water as high as possible so the tea infuses properly.
1 Some of the conditions that may cause lightheadedness in a patient include low blood pressure, high blood pressure, dehydration, medications, postural or orthostatic hypotension, diabetes, endocrine disorders, hyperventilation, heart conditions, and vasovagal syncope.
Answer Wiki. Feeling light-headed or passing out is caused by a drop in blood pressure. Blood pressure is maintained primarily by the the blood vessels of the body, which contain muscle fibers allowing them to constrict. The body's ability to control which blood vessels constrict allows the body to direct blood flow.