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Lab 7

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Lab. No. 7

Introduction to Lifecycle Nutrition & Chronic Disease

Life cycle chosen: Adulthood

1. Describe the lifecycle and the age to be in that lifecycle.

An adult is a person who has reached the age of majority. This phase of life

comes right after the adolescence and puberty and continues till the rest of the

life till the person reached the old age. Previously adulthood used to come

right after childhood finished with the appearance of secondary sexual

characteristics or puberty but more recently, the transitional period of puberty

or adolescence is considered to separate adulthood from childhood.

In humans, puberty approximately commences near 10-11 years of age in case

of girls and 11-12 years of age in case of boys, though it varies from

individual to individual. For girls, puberty starts at approximately 10 or 11

years of age and culminates at around the age of 16 years. Boys reach puberty

generally after the girls of their age do, usually at around 12 years of age and

this lasts till the age of 16 or 17.

2. Describe nutritional challenges associated with that particular lifecycle.

The nutritional challenges associated with adulthood include:

• As people get older, they need lesser calories but more of the other

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nutrients to maintain their health. The reason is that people burn lower

amount of calories due to lesser amount of physical activity often

associated with the office and wok lifestyle of most of the adults.

Physical activity is reduced substantially.

• There is a loss of lean muscle mass associated with adulthood which

warrants lower requirement of calories.

• Appetite changes also occur in adulthood and compared to the young life

period, appetite usually decreases. This may lead to subclinical

deficiencies. This may lead in severe cases to scurvy, a deficiency

syndrome of vitamin C deficiency and pellagra which is caused by

deficiency of vitamin B. Lack of vitamin D is also commonly seen

which leads to decrease in calcium absorption and consequent loss of

bone minerals density leading to conditions like osteoporosis.

3. Develop a diet specifically tailored to that stage of life (make sure to include

all of the macronutrients [percentages of carbs, fats, and protein]), and explain

the rationale.

Adults should get 45 percent to 65 percent of their calories from carbohydrates,

20 percent to 35 percent from fat, and 10 to 35 percent from protein.

Added sugars should comprise no more than 25 percent of total calories

consumed. Added sugars are those incorporated into foods and beverages

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Lab. No. 7 Introduction to Lifecycle Nutrition & Chronic Disease Life cycle chosen: Adulthood 1. Describe the lifecycle and the age to be in that lifecycle. An adult is a person who has reached the age of majority. This phase of life comes right after the adolescence and puberty and continues till the rest of the life till the person reached the old age. Previously adulthood used to come right after childhood finished with the appearance of secondary sexual characteristics or puberty but more recently, the transitional period of puberty or adolescence is considered to separate adulthood from childhood. In humans, puberty approximately commences near 10-11 years of age in case of girls and 11-12 years of age in case of boys, though it varies from individual to individual. For girls, puberty starts at approximately 10 or 11 years of age and culminates at around the age of 16 years. Boys reach puberty generally after the girls of their age do, usually at around 12 years of age and this lasts till the age of 16 or 17. 2. Describe nutritional challenges associated with that particular lifecycle. The nutritional challenges associated with adulthood include: • As people get older, they need lesser calories but more of the other nutrients to maintain their health. The reason is that people burn lower amount of calories due to lesser amount of physical activity often associated with the office and wok lifestyle of most of the adults. Physical activity is reduced substantially. ? ...
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