[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.97,0:00:03.76,Default,,0000,0000,0000,,spring fever
Dialogue: 0,0:00:05.09,0:00:05.64,Default,,0000,0000,0000,,that's full of energy, vitality
Dialogue: 0,0:00:06.14,0:00:08.40,Default,,0000,0000,0000,,and sexual appetite associated with spring
Dialogue: 0,0:00:03.98,0:00:04.23,Default,,0000,0000,0000,,it's been written about for centuries
Dialogue: 0,0:00:08.26,0:00:09.57,Default,,0000,0000,0000,,but does it really exist?
Dialogue: 0,9:59:59.99,0:00:00.92,Default,,0000,0000,0000,,there's definitely something in this spring time air
Dialogue: 0,0:00:00.92,0:00:04.92,Default,,0000,0000,0000,,a Canadian study showed a way that
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,teen pregnancy peaks in March,
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,right around spring break
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and the another found that men
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,produce the most
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and the healthiest sperm
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,in early spring
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,what's causing this seasonal shift?
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,Scientists think our increase in
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,energy and better mood
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,have to do with changes in hormone levels
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,an important one is melatonin
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,sometimes called the "sleep hormone"
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,it's released at night and helps us to fall asleep
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,when the nights are longer
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we produce more melatonin
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and in spring, as the night gets shorter
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we produce less of it
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,may be explaining why we feel
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,more awake and more active
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,seratonin is another chemical
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,that affects our mood
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,it's known as the "happiness hormone"
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and it's level risens in spring time
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,as it gets sunnier
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and the pathologists think that
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,this changes in hormone levels
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,may have to do with survival and
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,reproduction
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,many animals lay low in the winter
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,using less energy because food is sacarce
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,early humans might have done the same
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,when food became more abundant in the spring
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and it make sense that they become...
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,more....
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,active
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,not surprisingly
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,as you move toward the equator
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,spring fever disappears
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,for example
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,scientists have noticed that seasonal changes
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,and the birth rates of field mice
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,flatten out
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,as you get closer to the equator
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,but sunshine may not be the only
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,spring time "pick me up"
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,for humans, the optimal temperature for
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,good mood is 72ºF, and let's face it
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,once the temperature starts to rise
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,we're wearing a lot less
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,for Scientific American and Instant Egghead
Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,I'm Yasmin Tayag