捐血

• How do pelvic floor muscle exercises reduce overactive bladder symptoms? — ScienceDaily
• 5 FAQs About Immunotherapy for Renal Cell Carcinoma | CNN
• When it comes to living longer through exercise, is more better? – CNN
• The Problem With Probiotics – The New York Times
• When fathers exercise, children are healthier, even as adults — ScienceDaily

第一次知道捐血的機器有計時器，今天的捐血速度是 6:12 秒。