Manal Hadi Kanaan

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Questions related from Manal Hadi Kanaan

501Y.V2 variant of the emerging coronavirus, a variant that can elude immune responses and may overcome antibodies?

A recent study by American researchers showed how the 501Y.V2 variant of the emerging coronavirus, which has multiple mutations, is able to infect individuals who have developed antibodies after...

01 January 1970 5,756 23 View

How important are bees? What would happen if the bees became extinct? If bees become extinct, will humans follow them? What may cause extinction?

Bees including honey bees, bumblebees, and solitary bees are very important because they pollinate food crops. Pollination is where insects move pollen from one plant to another, fertilizing the...

01 January 1970 4,562 94 View

The immune response to Corona virus, between the natural infection and the vaccine? Can the vaccine give better immunity than natural infection?

Any infection initially activates a nonspecific innate immune response, where the white blood cells lead to inflammation, and this may be enough to eliminate the virus. But in long-term...

01 January 1970 8,775 50 View

Does social media have an impact on health behavior? Can social media use to change health behavior or reduce the obstacles of treatment of diseases?

Social influences are a primary factor in the adoption of health behaviors. Compliance with diet and nutrition programs, adherence to preventive screening recommendations, and maintenance of...

01 January 1970 3,203 90 View

What makes the new variant of coronavirus spreading faster? Is this new variant causing global epidemic concern? Why?

The emergence of a new variant of Coronavirus in the United Kingdom is more contagious than other strains, causing concern among epidemiologists, which led to the suspension of many countries...

01 January 1970 7,297 64 View

Will a COVID-19 vaccine work for everyone? Are there people who cannot get vaccinated?

There's a lot of curiosity surrounding the development of a suitable COVID-19 vaccine. With casualties breaching the 55 million mark, it is paramount that we get our hands on a novel coronavirus...

01 January 1970 6,060 98 View

What is a multisystem inflammatory syndrome in children (MIS-C)? and who is at risk?

What is a multisystem inflammatory syndrome in children (MIS-C)? and who is at risk? All comments and contributions are welcome.

01 January 1970 8,471 70 View

Artificial sweeteners: sugar-free, but what is the potential cost on our health?

The FDA has approved five artificial sweeteners: saccharin, acesulfame, aspartame, neotame, and sucralose. It has also approved one natural low-calorie sweetener, stevia. How the human body and...

01 January 1970 9,402 49 View

What do you know about bacteriophages and their applications in the production and processing of food?

Foodborne illnesses of microbial origin continue to be serious food safety problems worldwide. In addition to being of significant public health importance, the economic impact of foodborne...

01 January 1970 9,963 43 View

How can we classify zoonotic diseases?

Zoonotic diseases are caused by infectious agents that are transmissible under natural conditions from vertebrate animals to humans or maybe arises from wild or domestic animals or from products...

01 January 1970 6,462 62 View

What obstacles do you encounter with your students in distance education? and how satisfied are you with the results you achieve?

In this difficult period that the world is facing, the best solution is to work remotely to limit the spread of the infection. As university professors, it is imperative that we communicate the...

01 January 1970 1,943 53 View

Do you agree that we need to learn the students during the secondary education about managing their future ?

Sometimes the students and after graduated from secondary schools did not have a goal on how to complete their life. Sometimes the parents planning for their children and push them to study what...

01 January 1970 4,290 93 View

What are natural toxins? And what are their adverse health effects on humans and livestock when these toxins formed in food?

A scientific expert committee jointly convened by WHO and the Food and Agriculture Organization of the United Nations (FAO) - called JECFA - is the international body responsible for evaluating...

01 January 1970 4,768 54 View

How do bacteria become resistant to antibiotics?

Bacteria can become resistant to antibiotics through several ways. So, How do bacteria become resistant to antibiotics? All comments and contributions are welcome.

01 January 1970 1,796 99 View

What do we mean by xenobiotics? and what are their toxic impacts on humans and animals health?

With the development of society, xenobiotics have brought high potential risks to humans and animals. So, What do we mean by xenobiotics? and what are their toxic impacts on humans and animals'...

01 January 1970 4,375 45 View

Do you agree that natural growth promoters are more safe and less impact on public health than antibiotic growth promoters? and why?

Different categories of feed additives for farm animals are referred to as natural growth promoters (NGPs) or non-antibiotic growth promoters. They are commonly regarded as favorable alternatives...

01 January 1970 2,861 90 View

Is there a relationship between diet and autoimmune diseases? And is it possible to manage/reverse these diseases through certain foods?

A healthy immune system is designed to produce antibodies that attack foreign or harmful cells in your body. However, in people with autoimmune disorders, the immune system tends to produce...

01 January 1970 4,252 93 View

What nutrients and vitamins can benefit us with aging?

Getting adequate nutrition can be a challenge as get older. With age, the number of calories need begins to decline. Every calorie consumes must be packed with nutrition in order to hit the mark....

01 January 1970 1,245 95 View

Could the Corona pandemic lead to a wave of mental and neurological problems? If yes, how this will happen?

Health experts are increasingly concerned by evidence of higher risks of brain and mental health disorders among COVID-19 survivors. A previous study found last year that 20% of COVID-19 survivors...

01 January 1970 6,316 96 View

What is the relationship of COVID with Down syndrome? Are people with Down among the groups at high risk of developing severe symptoms and death?

The study, published in the Annals of Internal Medicine and led by researchers from the University of Oxford, involved 8.26 million adults, 4,053 of them diagnosed as having Down syndrome. The...

01 January 1970 843 64 View

What is the relationship between vitamin D and obesity? What is the role of this vitamin to combat obesity and supporting the body’s immunity?

Vitamin D is a fat-soluble vitamin and very essential not only for oral skeletal health but has many important actions on the extra skeleton system. It is essential to maintain strong bones and...

01 January 1970 9,018 91 View

Are there early warning signs of weak immunity?

Are there warning signs of weak immunity? The immune system protects the body from infection. A person with a weak immune system may be more prone to frequent infections. White blood cells,...

01 January 1970 940 81 View

Can diet affect the likelihood of developing dementia? And what is the most effective diet in reducing the risk of dementia?

All over the world, rates of dementia are expected to rise dramatically over the coming decades. And research continues to suggest that actions that have been taken early can reduce the risk of...

01 January 1970 3,910 95 View

Unconscious wakefulness may double the risk of early death...What r the causes? How do know we've experienced? What should be done about it?

It's simply a fact that many of us often wake up in the middle of the night and don't even know it. It's called unconscious wakefulness or "cortical arousal", and it refers to the moments during...

01 January 1970 9,108 69 View

What causes vitamin D critically low? And what are the right way and the optimal exposure time to get Vitamin D from the sun?

Vitamin D is a unique vitamin, which is made from the cholesterol in the skin when it is exposed to sunlight. Thus, it is said that it's important to get enough sun for maintaining the optimal...

01 January 1970 2,126 97 View

The smell of fear to protect crops from pests as a promising future direction for chemical ecology applied in sustainable pest control, your opinions?

As insects become more resistant to pesticides, the “smell of fear” some predators produce may someday be harnessed to repel and disrupt destructive insects naturally. In a recent study, a team of...

01 January 1970 1,060 57 View

What is an “unrealistic optimism”? Is it possible it can affect our future? If yes, how it can happen?

While we often like to think of ourselves as highly rational and logical, researchers have found that the human brain is sometimes too optimistic for its own good. If we were asked to estimate how...

01 January 1970 9,396 93 View