PCTH 201 Lecture Notes - Lecture 13: Seasonal Affective Disorder, High-Density Lipoprotein, Light Therapy

• School: UBC
• Department: Pharmacology and Therapeutics
• Course: PCTH 201
• Professor: Andrew Horne

Document Summary

Seasons. (cid:862)i a(cid:373) a sile(cid:374)t killer u(cid:374)less se(cid:448)erely high. I affe(cid:272)t of earth"s adult populatio(cid:374). (cid:863) Hypertension. (high blood pressure is needed for symptoms to be observed) After the discovery of antibiotics, bacterial infections could be cured and cvd became the major cause of death. Some major findings: cigarette smoking, increased cholesterol, and elevated blood pressure increase risk of heart disease (and stroke), high levels of hdl cholesterol reduce risk of heart disease, hypertension is a major predictor of cvd/death. There are drastic changes in melatonin levels (e. g. melatonin1 levels are significantly higher at night in winter than in summer) Variation of systolic bp during the year lower in the summer months. Cold increases blood pressure less exercising since it"s (cid:272)old outside. 1 melatonin: hormone that helps regulate other hor(cid:373)o(cid:374)es a(cid:374)d (cid:373)ai(cid:374)tai(cid:374)s the (cid:271)ody"s (cid:272)ir(cid:272)adia(cid:374) rhyth(cid:373). It tells your (cid:271)ody it"s ti(cid:373)e to settle do(cid:449)(cid:374) to prep for sleep.