Similarly, users of birth control methods such as the combined Pill and IUS coils could also face the same plight. Post-menopausal women fitted with the latter have a 52 per cent greater chance of developing breast cancer. And there is a 32 per cent increased risk for those who use the former hormonal-based contraceptive, Finnish researchers claimed.
The findings add to the growing body of evidence that progesterone-based birth control methods are a risk factor of breast cancer. They are listed by Cancer Research UK alongside alcohol and being fat in the causes with ‘sufficient’ evidence to the disease. Having high levels of the body’s own natural hormones also increases the risk of ovarian cancer and blood clots.
Hair dyeing is the practice of changing the hair colour. The main reasons for this are cosmetic: to cover gray hair, to change to a colour regarded as more fashionable or desirable, to restore the original hair colour after it has been discoloured by hairdressing processes or sun bleaching.
On its part, hormonal contraception refers to birth control methods that act on the endocrine system. Almost all methods are composed of steroid hormones, although in some places, one selective estrogen receptor modulator is marketed as a contraceptive.
However, research has shown that certain ones such as oestrogen cause DNA mutations, leaving cells prone to turning cancerous. Progesterone is also known to fuel the growth of tumours. Both can be found in the combined Pill, but only a synthetic version of the latter exists in IUS coils.
Cancer is an increasingly important public health problem in developing countries, including Africa [1]. As public and professional awareness of the cancer problem has grown, so has interest in the pattern of disease presentation, its epidemiology and treatment outcome. To date, however, there has been limited research about breast cancer in Africa. In the absence of systematic population-based cancer registration, most information has come from small clinical and pathology case series and the bias inherent in these types of studies has influenced current understanding of the pattern and characteristics of breast cancer in Africa.
