As time went by, the muscles in his legs began to ache in a similar way and he had difficulty in dressing and in climbing stairs. Headaches developed 4 weeks before admission, and, although they were initially mild and localized to the temple, they later increased in severity, being worse...
If you fall into difficulty, this is that you should do: 1. Keep calm. Save your strength and breath. 2. Try to float on your back or tread(踩)water. To tread water, move your feet as if you are climbing some stairs. 3. Raise your right arm for help. Remember: A red flag mea...