What's the difference between a Macronutirent and a Micronutrient ?

Nutrition supplies three physiological needs:

1) Fuel for cellular energy.

2) Raw materials so the body can make it's own molecules.

3) Essential nutrients which the body can't make so must be supplied by the diet.

Macronutrients are needed in large amounts and are seen to be carbs, proteins (amino acids), and fats (essential fatty acids).

Micronutrients are needed in much smaller amounts and are needed for enzymatic activity.  They are divided into 2 groups: vitamins (organic, carbon based componds) and minerals (metal ions from inorganic elements). 

How do successful dieters make weight release permanent?

Recently a new study was presented at the Obesity Society  ( a subset of the National Weight Control Registry ). 3000 people who successfully  managed their weight were asked to answer yearly questionnaires over a 5 year period. These 9 techniques seemed to stand out:

1) Tracked their food intake.
2) Counted calorie or fat grams or used commercial weight-loss programs to track food intake.
3) Ate about 1800 calories a day, and less than 3000 calories a day.
4) Ate breakfast regularly.
5) Ate similar foods regularly and didn't splurge much on holidays or special occasions.
6) Walked about an hour a day or burned the equivalent calories on another activity.
7) Watched fewer than 10 hours of TV a week.
8) Weighed themselves at least once a week.
9) Limited the amount they ate out ( average of only 3 times a week).     

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Why is saliva important?

Saliva begins the digestive process and keeps the mouth lubicated. During one lifetime, a person can produce enough saliva to fill two swimming pools.

Do women's hearts beat faster then men's?

Yes, they do because women tend to be smaller then men and also have less mass to pump blood to.  Medical research has also found that many treatments (for heart attack) that work for men have to be adjusted to work for women.  

Do our feet have sweat glands?

Feet have 500,000 sweat glands which can produce about a pint of sweat a day. THis may help explain why gym shoes can smell. Men also have more sweat glands  then women do.  

How many functions does the liver have?

It is said that the liver has over 500 different liver functions, and is one of the busiest organ in the body. It produces bile, helps in the decomposition of red blood cells, synthesises plasma protein, and aids in detoxification, and many more.  

How fast is a sneeze?

We can sneeze at speeds of 100 mph, which is a good reason to cover our mouths when sneezing. Have you ever tried keeping your eyes open when sneezing?