The Association between Allergy and Cancer: A Case-Control Study.

Background: Allergies may either have a protective or a promoting effect on cancers. This study seeks to explore the relationship between various types of allergies and three specific cancer types: lung, breast, and colorectal cancer, thereby adding fresh insights to the existing scientific.

Methods: Among the 556 patients, there were 115 cases of colorectal cancer, 305 cases of breast cancer, and 136 cases of lung cancer.

Is opium use related to the increased risk of oral cavity cancers? A case-control study in Iran.

Background: Oral cavity cancers (OCCs) are the sixth most prevalent cancers in the world. There are strong evidences showing the risk of the cigarette smoking, alcohol use, poor oral hygiene and some types of diets in OCCs; however, few studies explored the relationship between opium and its derivatives (O&D) use and OCCs incidence. The aim of this study was to investigate the relationship between consumption of O&D and the incidence of OCCs.

COVID-19 management in Iran and international sanctions.

Iran has one of the highest death rates from COVID-19 among Middle Eastern countries. In addition to having a better disease registration system compared to neighboring countries, many factors including economic conditions, have played an important role in increasing the number of mortality rate. This is while that during the Corona pandemic, Iran has been undergo severe sanctions by the United States, that has faced this country with a severe economic crisis.

The association between incidence and mortality of brain cancer and human development index (HDI): an ecological study.

Background: Brain cancer is a rare and deadly malignancy with a low survival rate. The present study aims to evaluate the epidemiology of brain cancer and its relationship with the human development index (HDI) worldwide.

Methods: This is an ecological study.