They reduce pregnancy because the delay the uterus releasing the egg, and delay ovulation. Less than 1% of women who use IUDs pregnant, although pregnancies after the emergency contraceptive pill are not as rare.
The bliss point is the amount of an ingredient such as salt, sugar or fat which optimizes deliciousness.
A. Younger parents' ideas for their children may be different from those of older parents.
Age difference often means going through different experiences in life, which will influence parenting style.
Food contamination refers to foods that are spoiled or tainted because they either contain microorganisms, such as bacteria or parasites, or toxic substances that make them unfit for consumption.
Yes. It is good for people of any age to get that much exercise in per day.
(I have a fidbit and I usually get in 2000-3000 steps a day.)