Implications of circadian clock

Question 1

Agriculture how can circadian clock be used?

Answer 1

Look at rhythmic response of plants to chemicals eg. herbicides, get max yields at certain latitudes over certain day lengths

Question 2

1979 circadian clock experiment?

Answer 2

near Munich, used underground bunkers, most rhythms 25h but some 27

Question 3

SAD how treated

Answer 3

Cured by bright light at 25,000+ Lux (3% full sunlight) given at appropriate time of day and helps reset circadian clock

Question 4

Benzodiazephine?

Answer 4

Minor tranquiliser, used to treat insomnia and effectively reset body clock in golden hamster

Question 5

In hospitals…

Answer 5

Drugs can be administered in lowest doses at time when patient most sensitive