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.
Eating the daily recommended levels of fish, meat, and dairy should give you enough vitamin B for healthy hair. Stress or poor diet can cause breaking and thinning hair, but when people notice a change in their hair, they might want to visit a doctor.