DNA tests can obviously be of a sensitive nature and we are more than aware of this. All our DNA sampling kits are sent out in the post in plain envelopes marked Private & Confidential and with no branding on them, so it will look like a normal letter.
Shellfish Allergy Triggers. Within the shellfish family, it is the crustacean group (shrimp, lobster and crab) that causes the greatest number of allergic reactions. Many shellfish-allergic people can tolerate mollusks (scallops, oysters, clams and mussels). Avoid foods that trigger symptoms.
Even if you've never had any symptoms of a shellfish allergy before, you can suddenly develop allergies to shellfish as an adult. In fact, 60 percent of people with shellfish allergies develop them later in life, even if they've been eating shellfish since they were young.Your chance of developing a shellfish allergy increases to 30 or 40 percent if one of your parents has a food allergy, and up to 75 percent if both of your parents are allergic.Once you have a shellfish allergy, you're most likely stuck with it for life.our chance of developing a shellfish allergy increases to 30 or 40 percent if one of your parents has a food allergy, and up to 75 percent if both of your parents are allergic. Once you have a shellfish allergy, you're most likely stuck with it for life.