Tagged: observational study

Are Covid vaccines becoming less effective? - Ariadne

Robert Hickson • Oct 19, 2021 •

• clinical trial,
• coronavirus,
• coronavirus vaccine,
• covid vaccine,
• immunity,
• Immunology,
• observational study,
• Uncertainty

A critical debate about Covid-19 vaccines is when does protection wane, by how much, why, and what does this mean for controlling the pandemic and the impacts of infections. Depending on the studies or headlines you read it can be confusing. Some report declining vaccine effectiveness, and others don’t. Some report a lot, and others a little. Like most things … Read More

Highly processed foods may be linked to cancer - News

Jean Balchin • Feb 16, 2018 •

• Breast cancer,
• cancer,
• canned vegetables,
• cause,
• effect,
• Healthy Food,
• limitations,
• marketing,
• misclassifications,
• observational study,
• preserved goods,
• Processed food,
• reformulation,
• taxation

There may exist an association between intake of highly processed food in the diet and cancer. Published yesterday by The BMJ, the study suggests that while further exploration is needed, the rapidly increasing consumption of ultra-processed foods “may drive an increasing burden of cancer in the next decades.”  What are Ultra-processed foods? Ultra-processed foods include packaged baked goods and snacks, … Read More