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The problem. Cancer is a leading cause of death worldwide, accounting for nearly 10 million deaths in 2020 (1). The most common in 2020 (in terms of new cases of cancer) were: stomach (1.09 million cases). The most common causes of cancer death in 2020 were: breast (685 000 deaths). Each year, approximately 400 000 children develop cancer.
Cancer is the second leading cause of death globally, accounting for an estimated 9.6 million deaths, or 1 in 6 deaths, in 2018. Lung, prostate, colorectal, stomach and liver cancer are the most common types of cancer in men, while breast, colorectal, lung, cervical and thyroid cancer are the most common among women.
Breast cancer caused 670 000 deaths globally in 2022. Roughly half of all breast cancers occur in women with no specific risk factors other than sex and age. Breast cancer was the most common cancer in women in 157 countries out of 185 in 2022. Breast cancer occurs in every country in the world. Approximately 0.5–1% of breast cancers occur in ...
Lung cancer is a type of cancer that starts when abnormal cells grow in an uncontrolled way in the lungs. It is a serious health issue that can cause severe harm and death. Symptoms of lung cancer include a cough that does not go away, chest pain and shortness of breath. It is important to seek medical care early to avoid serious health effects ...
Colorectal cancer is a type of cancer that affects the colon (large intestine) or rectum. It is one of the most common types of cancer worldwide. It can cause severe harm and death. The risk of colorectal cancer increases with age. Most cases affect people over 50 years old.
Cervical cancer is the fourth most common cancer in women. In 2022, an estimated 660 000 women were diagnosed with cervical cancer worldwide and about 350 000 women died from the disease. Effective primary (HPV vaccination) and secondary prevention approaches (screening for, and treating precancerous lesions) will prevent most cervical cancer ...
16 May 2010. Early detection of cancer greatly increases the chances for successful treatment. The 2 components of early detection of cancer are early diagnosis (or downstaging) and screening. Early diagnosis focuses on detecting symptomatic patients as early as possible, while screening consists of testing healthy individuals to identify those ...
Globally, cervical cancer is the fourth most common cancer in women, with around 660 000 new cases in 2022. In the same year, about 94% of the 350 000 deaths caused by cervical cancer occurred in low- and middle-income countries. The highest rates of cervical cancer incidence and mortality are in sub-Saharan Africa (SSA), Central America and ...
As the use of ionizing radiation increases, so does the potential for health hazards if not properly used or contained. Acute health effects such as skin burns or acute radiation syndrome can occur when doses of radiation exceed very high levels. Low doses of ionizing radiation can increase the risk of longer term effects such as cancer.
Polycystic ovary syndrome (PCOS) is a common hormonal condition that affects women of reproductive age. It usually starts during adolescence, but symptoms may fluctuate over time. PCOS can cause hormonal imbalances, irregular periods, excess androgen levels and cysts in the ovaries. Irregular periods, usually with a lack of ovulation, can make ...