Unit 1 - The Definition of Health

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sympathetic nervous system

"Fight or flight" ... unhealthy to have activated for long extended periods of time

parasympathetic nervous system

"Rest and digest"

The Placebo Effect: Cons

- ppl can miss necessary treatment - positive effects can fade over time - physical health isn't always treated -clouds clinical data

Hormones

Chemicals produced by certain organs or tissues in the body

Immune System responsible for:

Combatting illness and infections, remove foreign organisms/toxic substances from body

Bodily functions of sympathetic

Dilate outlets, increased heart rate, sweat gland stimulation, digestion decreased, adrenal glands stimulated, etc

Medical Model process

Disease detected through systematic process of observation, description, and differentiation ... in accordance with standard medical procedures, data driven

Disability adjusted life years

Estimated number of years lost due to ill health, disability, or early death

Mental health ___________ affects your overall health

Mental health completely affects your overall health

quality of life

No medical factors that effect a persons wellbeing ... self reported

Brains thoughts and feelings centers connect to

Other nerve cells in brain/body , hormone producing tissues and organs, and immune cells

Wellness Model Process/what's assessed?

Physical Wellness, emotional wellness, spiritual wellness, occupational wellness, social wellness, intellectual wellness ! (PESOS!)

Placebo can __________ psychosomatic illness, can ________ somatic symptom disorder

Placebo can lessen psychosomatic illness, and can cure somatic symptom disorder

Burden of Disease (BOD)

Quantifies the gap between ideal life span and an ill individuals current situation

Function of hormones

Regulates specific biological functions... feelings control hormones and hormones control feelings ... your thoughts can have an affect on your body though activation of the sympathetic nervous system or release of hormones

constant arousal of ANS can dause

Sleep problems, muscle tension, GI problems, increased cardiovascular disease

Wellness Model of Health (WHO)

State of complete physical, mental, and social wellbeing... not just based on absence of disease

Immune system can be influenced by

The mind via nervous and endocrine systems ... stress/negative moods can weaken the immune system

Medical Model vs Wellness Model

Wellness model incorporates quality of life

DALY = ___ + ___

YLD + YLL (years lived with disability + years of life lost)

Medical Model definition of Health

absense of one or more of the 5 Ds

Psychosomatic Illness

any physical illness aggravated by a mental factor (emotions, anxiety, stress) Modern medicine doesn't treat psychosomatic illnesses directly ... drugs suppress symptoms but do not cure

How ANS is affected

can be affected by thoughts/feelings and overwhelmed people can have constant arousal of ANS

Five D's

death, disease, discomfort, disability, dissatisfaction

nocebo effect

harmless thing that causes harm because you believe it's harmful

autonomic nervous system (ANS)

nerves regulate body's physiological functions without conscious control

ANS has 2 parts:

parasympathetic and sympathetic

Somatic Symptom Disorder

physical symptom without any bodily disease or injury present (ex: depression/anger can cause pain, fatigue, nausea, diarrhea, etc)

Placebo can only help:

symptoms that can be modulated by the mind, which is still a big component for patient comfort, happiness, and wellbeing

Physicians should not prescribe placebos because

-might not work for all patients - no legal protection

Pharmalogical Conditioning

-placebo triggers response brain like a real drug - brain learns to associate taking a pill w/ relief ... chemicals kick in - only works if the drug is acting on something the brain is able to do naturally

The Placebo Effect: Pros

-tool to test new drugs (ethical concerns) - minimize bias in testing - relief from pain/ailments - expectations of recovery can decrease discomfort


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