Current news on genetics and health

Infertility and its genetic causes

What is infertility? Infertility is a multifactorial disorder that affects approximately 15 per cent of couples of reproductive age. The causes of infertility are equally attributable to men and women. It can be defined as the inability to achieve or complete a pregnancy after a period of one year of sexual intercourse without contraception.  What are the causes of fertility

What is the aim of preventive medicine?

What is preventive medicine? Preventive medicine focuses on the prevention and early detection of diseases, with the clear objective of improving patients’ quality of life. In other words, it focuses on knowing the individual characteristics of each patient with the aim of personalising and optimising their medical care and directing their lifestyle towards goals that will help to look after

What is personalised medicine?

What is personalised medicine? In personalised medicine, also known as precision medicine, patients are treated according to their individual circumstances. These individual circumstances mainly comprise their genetic background, lifestyle and personal circumstances. Its success is based on individual patient characterisation and appropriate pre-testing to determine what treatment may or may not be considered for a particular patient. The biological complexity

What is food intolerance?

What is food intolerance? Food intolerance, also known as non-IgE-mediated food hypersensitivity or non-allergic food hypersensitivity, occurs when a person has difficulty digesting certain foods. Differences between food intolerance and food allergy Food intolerances are sometimes confused or mislabelled as food allergies, but they are different phenomena. ● Food allergies trigger strong immune system responses that affect numerous organs in

Pharmacogenetics: towards safe and efficient therapy

What is pharmacogenetics or pharmacogenomics? Pharmacogenetics, also known as pharmacogenomics, is the study of how a person’s genes affect the way they respond to medicines. In other words, research in the field of pharmacogenetics is aimed at revealing the actions and interactions between drugs and individuals based on their genes. In other words, they study the effect of an individual’s

What is familial amyloid polyneuropathy?

Familial amyloid polyneuropathy, also called transthyretin-related hereditary amyloidosis, transthyretin amyloidosis abbreviated also as ATTR (hereditary form), or Corino de Andrade’s disease is a severe neurodegenerative genetic disease. It is rare, with an estimated 8,000 people affected worldwide. Foci of familial amyloid polyneuropathy The first cases were detected in northern Portugal in the 16th century. It was called “the foot disease”,

Genetic tests: what are they and what are they for?

What is genetic testing? A genetic test or genetic screening is a test carried out in a laboratory to analyse genes. Genes are the instructions contained in the DNA that we inherit from our parents. Sometimes these instructions contain variants or defects known as mutations that can predispose, be the cause or one of the causes of health problems and

Intellectual disability: what is it, types, causes and diagnosis?

What is intellectual disability? Intellectual disability (ID) is the result of a disturbance in human development that appears before the age of 18. It is characterised by a significant limitation in intellectual functioning and adaptive behaviour. In other words, the concept encompasses people whose cognitive resources are often less than expected for their chronological age. What types of intellectual disabilities

Paternity tests: procedure, legal issues and costs

The paternity test aims to determine the biological relationship between two people. In other words, it allows us to determine who is the biological father or mother of a child. An extension of this type of analysis is kinship testing, which allows us to determine other types of family relationship: siblings, grandparents, aunts, uncles, cousins, etc. A paternity test can

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