Lead is an old environmental metal which is presented everywhere and lead poisoning is an
important health issue in many countries in the world including Iran. It is known as a silent …

Adulteration of drugs with poisonous substances during production or consumption has
caused numerous health problems. Among contaminants that have the potential of …

Background Lead, one of the most widely used metals because of its beneficial physical
properties, has been reported to adversely influence several different organs and organ …

Exposure to environmental pollutants tightly impacts on the male fertility. In the present
study, we examined the toxic effects of lead acetate (Pb) on testicular structure and the …

Abstract Background Lead (Pb) poisoning among people using opium has been an
increasing problem in Iran. The present study highlights the clinical effects of lead toxicity …

Substance abuse and its consequences are major health hazards in the world. Opium
addiction is a common form of substance abuse in Iran. Adulteration of illegal substances in …

Background: The International Agency for Research on Cancer (IARC) recently classified
opium use as a Group 1 carcinogen. However, much remains to be studied on the relation …

Background Opium and its pyrolysates have been investigated as potential carcinogenic
material through several studies in different body systems; however, the results were …

BACKGROUND: Gastrointestinal cancers, including esophageal, gastric, liver and
pancreatic are relatively common in IRAN. Furthermore, consumption of OPIUM and its …

BACKGROUND: Bladder cancer (BC) is the most common genitourinary system malignancy
in humans. Consumption of opium and its derivatives, maybe a risk factor possibly in Iran …