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How Long Does an Immigration DNA Test Take in the UK?

Published 20/05/2025

With the UK government’s 2025 immigration white paper introducing tighter controls and longer settlement periods, many families are turning to DNA tests to support visa and passport applications. Whether you’re proving a biological relationship for a dependent visa or clarifying family ties for British citizenship, legal DNA testing can provide reliable evidence—often faster than you might expect.

Do I Need a DNA Test to Work in the UK?

Published 20/05/2025

If you’re applying to work in the UK, you might be wondering whether a Legal DNA Test is required as part of your visa application. The short answer is: not usually — unless you’re proving a family relationship. Let’s break it down.

Will Cannabis Show Up on a Drug Test?

Published 19/05/2025

Cannabis, also known by names like weed, pot, grass, or skunk, is one of the most widely used—and tested—drugs in the UK. While some forms of medical cannabis are legally prescribed, most cannabis use remains illegal, especially in workplace and safety-sensitive environments.

Do Genetics Affect Citalopram or Escitalopram?

Published 16/05/2025

Citalopram and escitalopram are among the most widely prescribed antidepressants in the UK, often chosen for their effectiveness in treating depression and anxiety. While they share a chemical origin, subtle differences in their structure and metabolism can lead to very different outcomes—particularly when genetics come into play.

Prescribing Fluoxetine: A PGx Guide

Published 15/05/2025

Once hailed as a breakthrough in psychiatry, fluoxetine (Prozac) transformed how we treat depression—and helped launch the entire SSRI era. But decades later, its distinct pharmacological traits, interaction profile, and long half-life make it less straightforward than it first appears. If your patient is wondering, “Is fluoxetine the best antidepressant for me?”, the answer often lies not just in the diagnosis—but in their metabolism.

Is Sertraline the Best SSRI for Mood and Anxiety?

Published 14/05/2025

When a patient asks, “Is sertraline the right antidepressant for me?”, the most reliable answer may come not from trial and error—but from a pharmacogenomic test. Sertraline is a widely prescribed SSRI (selective serotonin reuptake inhibitor) used across the NHS to treat depression, anxiety, PTSD, and OCD. But what makes it different from other SSRIs? And could it be more effective—or less tolerable—for certain patients?

Is Citalopram the Best SSRI for Mood and Anxiety?

Published 14/05/2025

Citalopram is a selective serotonin reuptake inhibitor (SSRI) widely prescribed for major depressive disorder and generalised anxiety disorder. It’s often seen as a well-tolerated first-line option due to its high selectivity for the serotonin transporter and relatively low anticholinergic or noradrenergic activity. But tolerability isn't universal. Some patients struggle with fatigue, nausea, sexual side effects, or poor therapeutic response—despite textbook prescribing.

Is Paroxetine the Right SSRI for Your Patient?

Published 14/05/2025

If your patient is asking, “Will paroxetine help with my depression or anxiety?”, the answer depends on more than just symptoms. With strong serotonergic activity, anticholinergic effects, and powerful CYP2D6 inhibition, paroxetine is one of the most pharmacologically distinct SSRIs—and it’s not right for everyone.

Booking a Legal DNA Test

Published 06/05/2025

Whether you’re involved in a family law case, applying for a UK visa, or resolving questions of biological parentage, our collection process is designed with care, clarity, and legal compliance in mind. This post explains what happens during a DNA collection visit involving two individuals—such as in a father-and-child relationship test.