Cortisol has been shown to damage and kill cells in the hippocampus (the brain area responsible for your episodic memory) and there is robust evidence that chronic stress causes premature brain aging. Without cortisol you would die â but too much of it is not a good thing.
Sesamoid fractures may take 4 to 8 weeks to heal. To keep swelling down and help relieve pain: 1  Put an ice pack, gel pack, or package of frozen vegetables, wrapped in a cloth on your foot every 3 to 4 hours, for up to 20 minutes at a time.
6. After the rock has cooled completely, then you can take your bed of âobsidianâ and do some weathering and erosion by bending the now hard rock. It will crack and break. You can break it into different sized pieces. There will be some little crumbs that are created. Discuss how these have become sedi-ments that may be carried away. 7.