nutrition final Flashcards
Human body is _____% water
75
Intervertebral Discs mostly ___ & ____
water and proteoglycans
70-90% water in the
nucleus pulposus
60-70% water in the
annulus fibrosis
over time disks…
SHIRNK and lose hydration.
Water Scarcity
In N. America, southwest is drying up. All through Mexico has a lack of H2O,
and almost all of Africa mostly due to economic regions.
Animal Industry is a major waste of water – this causes runoff which also creates problems
Water per capita USA
147 gallons-day
Body has a natural water input/output.
Intake: Drink 1000, Food 1000, Metabolism 350
Output: Skin 500, Lung 400, Urine 1300, Colon 150 —- total 2350 mL
Water % during Aging
● Dehydration a basic part of aging
● 75% of body is water at birth
● About 60% by age 30 in females
● Disc is a major area of water dehydration
Water Intake
Dehydration occurs when water output exceeds input due to an
inadequate intake or excessive losses
1-1.5 mL/kcal for adults
approx 2-3 liters per 2000 calories
Adequate water Intake for males
3.7 L/day
Adequate water Intake for females
2.7 L/day
health effects of water
○ Protect the bladder, prostate, and breast against cancer
○ Protect against kidney stones
○ Protect against overeating when water is what we need
Trihalomethanes
interactions between Chlorine and inorganic materials, leaves, sewage, etc.
THM’s = Chloroform, Bromoform, etc - change to Chlorine or Bromine