No. Each person needs their own account and email address.
Do Health is built around one person's biology. Your blood results, biological age, and weekly plan are personal to you, and your health data is kept private to your account. The blood test also requires ID verification on the day, so the account holder must be the person being tested.
To get a family member started, send them an invite from the app. This gives them instant access without going on the waitlist. They'll need to complete their own checkout and sign up with their own email address.