More lifestyle self-tutoring: the tutor begins research about the question of sleep quality before midnight vs after. I first heard the adage “hours of sleep before midnight count for double” from a judo coach. I trust he’s probably right, though …
Lifestyle, health: sleep: do hours before midnight count for double? Read more »
Tutoring biology, you might be asked about blood plasma. The tutor mentions its defintion. blood plasma: the liquid that holds the red blood cells, white blood cells, and platelets. The plasma consists of water and substances suspended or dissolved therein: …
Researching the human body can mean continual self-tutoring. The tutor begins about the critical hormone cortisol. Cortisol is a hormone produced by the adrenal glands. Its release is augmented when the person feels stress. It has many effects; what follows …
Health: what is cortisol and what does it do, part 0 Read more »
Fitness and health involve constant self-tutoring. The tutor mentions zinc. Apparently, zinc is lost in sweat: during athletic performance, therefore, a person might likely lose some. I take zinc supplement – not every day, but most days. I just take …
More lifestyle tutoring: the tutor continues to research cholesterol. Perhaps many of us have heard that HDL is the “good” cholesterol, while LDL is the “bad”. What’s the difference? HDL: collects cholesterol from the blood and conveys it to the …
More lifestyle self-tutoring: the tutor researches which fruit – apple or orange – has more fibre. Just before bed I tend to eat fruits and/or vegetables if I haven’t had enough during the day. One reason to eat fruits/vegetables is …
Lifestyle, nutrition, health: Fibre battle: apple vs orange Read more »
Engaging in more lifestyle self-tutoring, the tutor shares his findings about a topic he’s long considered: consumption of MSG. MSG, I was told as a kid by a cook, can intensify the taste of food. Another kid, sitting at the …
Lifestyle, health: MSG (monosodium glutamate): is it best avoided? Read more »
Maintaining health can mean self-tutoring. The tutor shares his own experience with zinc. About twenty years ago I read a great book about health. I think it was by a doctor from Seattle, but can’t recall the title or his …
Tutoring biology, diseases are mentioned. The tutor names perhaps the most contagious one. Measles is potentially the most contagious disease among humans. In particular, all children in a natural, unvaccinated population will catch it.1 When I was a kid, I …
Biology: what is the most contagious disease among humans? Read more »
More nutritional self-tutoring: the tutor continues about comparisons between carbohydrates. In my last two articles, here and here, I discuss simple vs complex carbohydrates, then the glycemic index, respectively. The original talking-point of this series of articles is that we …
Lifestyle: carbohydrates, part 2: simple, complex, and the glycemic index Read more »