|
|
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.
The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
![The steel lamination used in an E coil helps increase the magnetic field strength, which helps the ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_6_25_25_298002228.png)
![A close-up showing the recessed center electrode on a spark tester. It is recessed 3/8 inch into ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_7_14_00_298332332.png)