The seller supplied the following interesting description of these tubes:The zirconium tubes are the ends of a long piece of tubing lathed into shorter lengths for the purpose of placing pellets of U238 for reactor function.
A trigger event. Many people experience a general thinning of hair several months after a physical or emotional shock. This type of hair loss is temporary. Examples of trigger events include sudden or excessive weight loss, a high fever, surgery, or a death in the family.
Itchy Scalp hair loss or hair thinning is actually pretty common. This is caused when inflammation occurs in the root or hair follicle. This inflammation literally chokes off the hair's vital blood and food supply and it starves slowly.