What could explain these increases?

Sen Ron Johnson sent a letter to Sect of Defense Austin asking him to explain information that came from a database run by the military. It showed huge increases in all sorts of diseases:

Hypertension – 2,181% increase
Diseases of the nervous system – 1,048% increase
Malignant neoplasms of esophagus – 894% increase
Multiple sclerosis – 680% increase
Malignant neoplasms of digestive organs – 624% increase
Guillain-Barre syndrome – 551% increase
Breast cancer – 487% increase
Demyelinating – 487% increase
Malignant neoplasms of thyroid and other endocrine glands – 474% increase
Female infertility – 472% increase
Pulmonary embolism – 468% increase
Migraines – 452% increase
Ovarian dysfunction – 437% increase
Testicular cancer – 369% increase
Tachycardia – 302% increase

These numbers are the increase in 2021 from the previous 5 year average (2016–2020) from military personnel. This information was brought forward by whistleblowers. What are the potential causes for these increases?