Selena Gomez has been upfront and honest about her return to rehab. Tabloids reported the 24-year-old was entering rehab for substance abuse problems, but it turns out that she's still battling the symptoms of lupus – including mental health symptoms. According to a report in India Today, the autoimmune disease is often misdiagnosed in people in their early 20s and 30s. Selena is one famous celebrity who suffers from lupus and had to cancel her Stars Dance World tour half-way in 2014 when she was officially diagnosed with the disease.

Pop star opens up about her long battle with lupus

Selena Gomez once again canceled her Revival World Tour in August 2016 after she suffered from "anxiety, panic attacks and depression" from her lupus diagnosis. In an interview with The Hollywood Reporter, she revealed that she took time off for herself to work on her new Netflix series, "13 Reasons Why." She wanted to address mental health issues during the production of the series, which hit home for her.

During her 90-day absence from the spotlight, Selena Gomez focused on herself. She even left her phone at home during her time in rehab, which she described as "the most refreshing, calming, rejuvenating" feeling. Although Selena has since returned as the queen of Instagram, she still does not like keeping up with social media. But her relationship with her fans is important to her and she will continue to engage with them on her social media accounts.

Selena often turns to Twitter or Snapchat when she doesn't feel comfortable with the pressures of Instagram.

According to the Mail Online, the singer had to undergo chemotherapy to fight the chronic disease wherein the immune system attacks the healthy tissue. The symptoms of Systemic Lupus Erythematosus (SLE) include fatigue, headaches, hair loss, anemia, blood clots, joint pain, and swelling. Despite the advance in technology and mediation, there is no known cure for SLE, reports the Science Times. That means Selena Gomez will have to undergo routine chemotherapy and other forms of treatment for her autoimmune disease.

Is Selena Gomez's new relationship healthy for her?

Friends fear that her new relationship with The Weeknd isn't a great idea after she was spotted kissing the "Starboy" singer in Los Angeles back in January. Sources revealed to Life & Style Magazine that her friends and family are concerned that her new boyfriend is a bad influence on her. The Weeknd, whose real name is Abel Tesfaye, often sings about drugs and reckless relationships in his songs.

They're worried that Selena Gomez could be headed down the wrong path if she continues to date him.

Sources also revealed that the "Can't Keep My Hands to Myself" singer was reportedly addicted to Justin Bieber when she dated him on and off for four years. She grew extremely possessive of the "Sorry" singer and would join him in drinking, smoking weed, and partying. Even Selena Gomez's own mom, Mandy, reportedly does not approve of her daughter dating and partying with the R&B singer.

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