Lymphoid tissue: T-lymphocytes and the Thymus. The thymus is a primary lymphoid organ found within the superior mediatinum, behind the upper part of the sternum. This organ is active in children, but at the start of puberty, until old age, it starts to atrophy, producing fewer T-cells.
Long Term Effects of Oxycodone on Your Health. 1  Unintentional Overdose. 2  Tolerance and Increased Abuse. 3  Addiction to Oxycodone. 4  Respiratory Problems. 5  Cardiovascular Problems. 6  Long Term Effects in Brain Functioning and Systems. 7  Other Organ Impairments. 8  Withdrawals and Relapse.
Effects. The effects of oxycodone addiction will impact nearly every aspect of an addictâs life leaving virtually nothing unscathed. Common effects of long-term oxycodone use include: Loss of interpersonal relationships; Divorce; Child and domestic abuse; Job loss; Homelessness; Liver damage; Breathing irregularity; Respiratory failure; Seizures; Myocardial infarction