Detecção precoce de Alzheimer?

Por análises ao sangue?
https://observador.pt/2019/01/23/alzheimer-pode-ser-detetado-ate-16-anos-antes-dos-primeiros-sintomas-com-um-teste-sanguineo-diz-estudo/

Citando:
"detetar a doença de Alzheimer até 16 anos antes de os primeiros sintomas, como a perda de memória e a confusão, surgirem. O estudo foi publicado esta segunda-feira na revista científica Nature Medicine.

Como é que uma análise ao sangue permite detetar uma doença neurodegenerativa? Segundo a investigação, através da medição dos níveis de uma proteína chamada Neurofilamento de Cadeia Leve (NFL, na sigla em inglês), que se trata de “uma marca no sangue que dá indicações das perdas de células no cérebro”, explicou Mathias Jucker, líder da investigação e professor de biologia celular de doenças neurológicas, citado pela CNN. Esta proteína acumula-se no sangue dos doentes muito antes de a doença se manifestar e serve também para detetar sinais de lesões cerebrais associadas a outras doenças, como a esclerose múltipla."

Teste ao sangue ajuda a escolher medicação para depressão

https://www.cnn.com/2016/09/26/health/blood-test-depression-treatment-antidepressants/index.html
Citando:
"According to a study, an analysis of blood samples can highlight high levels of inflammation in a patient and help predict which drugs may not be effective. Other recent studies have found a link between increased inflammation and lower success rates from treatment.

Identifying this increase up front can help predict which people may need more aggressive treatment early on.

Currently, treatment for depression involves a process of trial and error, with doctors prescribing a particular drug for periods of up to 12 weeks and monitoring patients for any improvement. If no response is seen, a new drug, or combination of drugs, is tried until one is found to be effective.

"If [patients] don't get better, they just switch drugs and then switch again with hope that one will work," said Carmine Pariante, professor of biological psychiatryat Kings College London, who developed the test and led the study."

Teste de sangue para Alzheimer?

http://www.bbc.com/news/health-42878721

Citando:
"One method is to look for a toxic protein - called amyloid beta - that builds up in the brain during the disease.

It can be detected with brain scans, but these are expensive and impractical.

'Major implications'

The new approach, a collaboration among universities in Japan and Australia, looks for fragments of amyloid that end up in the blood stream.

By assessing the ratios of types of amyloid fragment, the researchers could accurately predict levels of amyloid beta in the brain.

Significantly, the study shows it is possible to look in the blood to see what is happening in the brain."

"

Testes ao sangue para detectar... Cancro(s)

Testes não invasivos detectam cancro e aonde. Ainda a alguma distância mas alguns resultados para alguns cancros são promissores:
http://www.independent.co.uk/life-style/health-and-families/health-news/cancer-blood-test-university-of-california-jasmine-zhou-dna-tumour-samples-computer-program-a7646956.html

Teste ao sangue detecta cancro uns anos antes de aparecer

O teste será rápido e barato e assenta no princípio de que não há cancro sem mutação, procurando-se pistas no sangue:
http://www.telegraph.co.uk/news/2016/09/06/cancer-smoke-detector-test-can-spot-the-disease-10-years-before/


http://www.independent.co.uk/news/science/cancer-breakthrough-news-latest-smoke-detector-test-symptoms-check-a7227786.html

Teste de sangue para determinar risco de doenças cardiovasculares (a 5 anos)

http://www.independent.co.uk/news/science/blood-test-heart-attack-cardiovascular-disease-predicts-how-likely-in-next-five-years-a7091326.html


Citando:
"(...) patients with high levels of the immunoglobin G (IgG) antibody were less likely to suffer from cardiovascular disease, including stroke and heart attack, than those with lower levels, even when taking into account factors such as high blood pressure and cholesterol."

O teste que nos diz quanto vamos viver

http://www.independent.co.uk/news/science/the-163400-test-that-tells-you-how-long-youll-live-2284639.html
Citando:
"A blood test that can show how fast someone is ageing – and offers the tantalising possibility of estimating how long they have left to live – is to go on sale to the general public in Britain later this year." (~500€)