stress
process by which we perceive & respond to certain events called stressors (threatening or challenging)
what did walter cannon discover about stress?
its unified mind & body response releasing hormones epinephrine causing fight or flight response
who is more likely to suffer from heart disease?
pessimist
what is cortisol?
a stress hormone glucocorticoid released from adrenals to produce more glucose in blood to prepare for fight or flight
what is behavioral medicine?
how stress and healthy and unhealthy behaviors influence health and illness with medicine
what does the secretion of stress hormones do to immune system?
suppresses immune system and effectiveness and amount of WBC
who discovered GAS?
Hans Selye
general adaptive syndrome
bodys adaptive response to stress in 3 phases for all (hans selye)
alarm
sympathetic nervous system activates, heart rate, blood to muscles, faintness/shock
resistance
engaged & summoning resources, temp, blood pressure, respiration ^, adrenal glands release hormones
exhaustion
tired from prolonged stress, illness collapse, death
what are telomeres?
pieces of DNA at the ends of chromosomes
tend-and-befriend
provide support to others & bond with & seek support from others
psychophysiological illness
mind body illness any stress related physical illness (headaches/hypertension)
psychoneuroimmunology
study of psycho neural & endocrine processes together effect immune system & health
B lymphocytes
WBC bone marrow release antibodies to fight bacteria
T lymphocytes
WBC from thymus & lymphatic tissue, attack cancer, viruses, foreign substances, & transplanted organs
What do adrenal glands release?
epinephrine and norepinephrine
who talked about the fight or flight responses in regards to stress?
walter cannon
stressors
things we deem as challenging or threatening catastrophe, life events, and daily hassles
the different types
type a: aggressive, competitive, etc
type b: easy going
who is more likely to suffer from a heart attack?
type a
stress reaction
physical and emotional responses
oxytocin
stress moderating hormone associated with pair bonding