Foods to Avoid. When youâre feeling a bit wired, avoid foods containing caffeine, alcohol, sugars, and processed ingredients. Caffeine is a stimulant that can produce a jittery feeling that might amp up your anxiety.
The Ice Ages began 2.4 million years ago and lasted until 11,500 years ago. During this time, the earthâs climate repeatedly changed between very cold periods, during which glaciers covered large parts of the world (see map below), and very warm periods during which many of the glaciers melted.
1 Huronian-The Huronian ice age was one of the longest ice ages in the Earth's history. 2  It lasted from about 2400 to 2100 million years ago. 3  Scientists think it may have been caused by a lack of volcanic activity lowering the carbon dioxide in the atmosphere.