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Vitamin A deficiency is a significant public health problem in low‐ and middle‐income countries. Vitamin A supplementation given to children between the ages of six months and five years reduces deaths in these settings. This review focused on babies one to six months of age.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2017

Background: Vitamin A is an important micronutrient that is required for maintenance of normal functioning of the human body. In the developing world, many pregnant women are vitamin A deficient. During pregnancy, additional vitamin A is required to promote growth of the baby and to provide stores in the baby's liver. Deficiency of this micronutrient in the mother may lead to its deficiency in the baby and may result in adverse effects on the baby's health. The benefits of giving vitamin A to children older than six months of age for reducing death and adverse effects on health have been established, but no available evidence shows this beneficial effect among infants one to five months of age. Potential benefits of vitamin A supplementation during the newborn period (during the first month of life) are under investigation.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: February 24, 2017

Diarrhoea is a common cause of illness in children, especially in low and middle‐income countries where it accounts for nearly 2.5 million deaths per year. Infants and children with HIV infection or maternal exposure through birth or breastfeeding to HIV infection may be more vulnerable to diarrhoea due to weakened immune systems, nutritional deficiencies or from having other infections. This review evaluated three interventions to assess whether they can prevent death or illness from diarrhoea in infants and children with HIV infection or exposure: vitamin A, zinc and cotrimoxazole. Vitamin A and zinc may correct micronutrient deficiencies that are prevalent in children with HIV infection or exposure, as well as prevent other infections. Cotrimoxazole is an antibiotic that helps prevent opportunistic infections in immunocompromised hosts, and may also prevent other infections. This review found nine studies that addressed these interventions in infants or children with HIV infection.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2010

Previous research on animal and physiological models suggests that antioxidant supplements have beneficial effects that may prolong life. Some observational studies also suggest that antioxidant supplements may prolong life, whereas other observational studies demonstrate neutral or harmful effects. Our Cochrane review from 2008 demonstrated that antioxidant supplements seem to increase mortality. This review is now updated.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2012

This book aims to help consumers and practitioners develop the skills to assess health advice – and hopefully to make decisions that will improve the quality of their care. For some people, making better-informed decisions could be life saving. We hope that it will be useful if you are struggling to come to terms with an illness or injury, and the best ways of managing it. Or you may simply want to lead a healthier life, and may be wondering how to make sense of the often conflicting flood of health information that deluges us every day, through the media, and from our friends and health practitioners.

Hammersmith Press.

Version: 2008

How do we know whether a particular treatment really works? How reliable is the evidence? And how do we ensure that research into medical treatments best meets the needs of patients? These are just a few of the questions addressed in a lively and informative way in Testing Treatments. Brimming with vivid examples, Testing Treatments will inspire both patients and professionals.

Pinter & Martin.

Version: 2011

Our body cannot synthesize all compounds that are essential for health. Therefore such compounds must be taken through diet. Oxidative stress may cause cell damage that is implicated in chronic diseases like cancer. Gastrointestinal cancers are among the most common cancers worldwide. The poor prognosis of patients diagnosed with gastrointestinal cancers made primary prevention a potentially attractive approach. The evidence on whether antioxidant supplements are effective in decreasing gastrointestinal cancers is contradictory.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2008

The aim of this Cochrane Review was to find out if using topical sunscreen and physical barrier methods (such as sun‐protective clothing, hats, sunglasses, and the active search for shade when outdoors) compared with no specific precautionary activity prevented the development of basal cell carcinoma (BCC) and cutaneous squamous cell carcinoma (cSCC) of the skin in adults and children.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2016

There is no lack of advice on preventing colorectal cancer: The long list of recommendations includes more fiber, less meat, extra vitamins and even medication. But which of the most common claims are backed by scientific research?You can lower your risk of colorectal cancer by having colorectal cancer screening. Screening is typically done for people over the age of 50 and has been proven to lower the risk of colorectal cancer.People in this age group might also try to avoid getting colorectal cancer by following a healthier lifestyle. But what can be made of all of this advice, especially the tips on diet? Does eating a lot of fruits and vegetables and less red meat really help? And will taking more vitamins make a difference?

Informed Health Online [Internet] - Institute for Quality and Efficiency in Health Care (IQWiG).

Version: December 3, 2014

There are many treatment options for acne, including topical and oral medication, and over-the-counter or prescription-only products. But what is the right product for you? And can treatments like phototherapy improve your complexion?The treatment options for acne will depend on a number of different things. For instance:How severe is your acne?What is your skin type (dry, oily or combination)?How upsetting do you find your acne?Are you susceptible to acne scarring?Do you have other health problems?Are you male or female?Which treatments have you already tried out and how well did they work?What kinds of side effects do the different products have, and how unpleasant do you think those side effects are?Nearly all acne treatments require a lot of patience. Many of them only start working after several weeks or months. But it can be worth the wait, and is better than constantly switching treatments, which can sometimes make you feel like nothing will help.

Informed Health Online [Internet] - Institute for Quality and Efficiency in Health Care (IQWiG).

Version: July 28, 2016

Expert-reviewed information summary about the treatment of childhood Langerhans Cell Histiocytosis.

PDQ Cancer Information Summaries [Internet] - National Cancer Institute (US).

Version: October 3, 2016

Expert-reviewed information summary about the use of laetrile/amygdalin as a treatment for people with cancer.

PDQ Cancer Information Summaries [Internet] - National Cancer Institute (US).

Version: April 13, 2017

Expert-reviewed information summary about the treatment of mycosis fungoides (including Sézary Syndrome).

PDQ Cancer Information Summaries [Internet] - National Cancer Institute (US).

Version: September 7, 2017

Expert-reviewed information summary about the treatment of childhood non-Hodgkin lymphoma.

PDQ Cancer Information Summaries [Internet] - National Cancer Institute (US).

Version: August 18, 2017

Basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) are the most common types of skin cancer. Find out about risk factors, symptoms, tests to diagnose, prognosis, staging, and treatment for skin cancer.

PDQ Cancer Information Summaries [Internet] - National Cancer Institute (US).

Version: August 28, 2017

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